Space Research & Astronomy http://www.wsws.org/topics/scienceCategory/sc-astro/ Ten years at Saturn with the Cassini spacecraft http://www.wsws.org/en/articles/2014/07/04/cass-j04.html Over the past decade, Cassini has continuously returned data on Saturn's rings, numerous moons and the planet itself. Fri, 04 Jul 2014 05:00:00 GMT http://www.wsws.org/asset/6738939b-e49a-4b5a-8564-39bc1b0fa5fD/cass-j04.html 2014-07-04T05:00:00Z Earth-sized planet in a star’s habitable zone confirmed http://www.wsws.org/en/articles/2014/04/21/kepl-a21.html This is the first exoplanet detected that potentially has liquid water on its surface. Mon, 21 Apr 2014 05:00:00 GMT http://www.wsws.org/asset/f6ab9668-ce3b-4fcb-8297-2f6a707bedaF/kepl-a21.html 2014-04-21T05:00:00Z <em>Cosmos</em> reboot falls short of the mark http://www.wsws.org/en/articles/2014/04/14/cosm-a14.html The remake of Carl Sagan’s <em>Cosmos</em>, hosted by Neil deGrasse Tyson, has its moments, but does not go far enough either in its exposition of science or its criticism of anti-science. Mon, 14 Apr 2014 05:00:00 GMT http://www.wsws.org/asset/9d6f5b94-f8e5-4a79-8dec-eedac747d11F/cosm-a14.html 2014-04-14T05:00:00Z Imprint of primordial gravitational waves detected http://www.wsws.org/en/articles/2014/03/24/grav-m24.html The finding by astronomers working at the South Pole provides confirmation of a key aspect of the Big Bang theory, called the inflationary hypothesis. Mon, 24 Mar 2014 05:00:00 GMT http://www.wsws.org/asset/6f2f5470-c891-48bf-8f20-3202d984da3A/grav-m24.html 2014-03-24T05:00:00Z US continues to militarize space http://www.wsws.org/en/articles/2014/03/18/gssa-m18.html The US military is planning to launch two satellites later this year and two more in 2016 to lay the basis for space hegemony over countries such as China and Russia. Tue, 18 Mar 2014 05:00:00 GMT http://www.wsws.org/asset/90044050-7557-45bf-a069-1543c1a072eA/gssa-m18.html 2014-03-18T05:00:00Z New study estimates billions of Earth-sized planets orbiting Sun-like stars in the Milky Way galaxy http://www.wsws.org/en/articles/2013/11/09/exop-n09.html Data from the Kepler spacecraft has established that Earth-sized planets in the habitable zone of Sun-like stars are common in the Universe. Sat, 09 Nov 2013 05:00:00 GMT http://www.wsws.org/asset/c470889b-63ae-4881-af85-8a19f82b803E/exop-n09.html 2013-11-09T05:00:00Z Peter Higgs and François Englert awarded 2013 Nobel Prize in Physics http://www.wsws.org/en/articles/2013/10/21/higg-o21.html The theoretical prediction and subsequent discovery of the Higgs boson has provided a greater insight into the origin of mass of subatomic particles. Mon, 21 Oct 2013 05:00:00 GMT http://www.wsws.org/asset/9c215092-e3b0-4922-9be5-ca4de4eacfaI/higg-o21.html 2013-10-21T05:00:00Z Voyager 1 spacecraft enters interstellar space http://www.wsws.org/en/articles/2013/10/04/voya-o04.html Voyager 1 has done science continuously for 36 years and spanning a journey of 19 billion kilometers. Fri, 04 Oct 2013 05:00:00 GMT http://www.wsws.org/asset/97941fc3-0933-4c35-9201-1434a710ad0K/voya-o04.html 2013-10-04T05:00:00Z One year of the Mars rover Curiosity http://www.wsws.org/en/articles/2013/08/06/mars-a06.html During its mission so far, NASA’s Curiosity rover has found strong evidence that life similar to terrestrial microbes could have existed on ancient Mars. Tue, 06 Aug 2013 05:00:00 GMT http://www.wsws.org/asset/be23a99e-e90d-4f95-98a8-4271d02c088J/mars-a06.html 2013-08-06T05:00:00Z The end of the Herschel Space Observatory mission http://www.wsws.org/en/articles/2013/05/07/hshl-m07.html On April 29, the Herschel Space Observatory exhausted its supply of ultra-cold liquid helium coolant, required to do its most sensitive observations. Tue, 07 May 2013 05:00:00 GMT http://www.wsws.org/asset/d9f0fe08-4d81-4b5b-b610-c7a7df66d76D/hshl-m07.html 2013-05-07T05:00:00Z Two planetary systems with potentially Earth-like conditions http://www.wsws.org/en/articles/2013/04/22/exop-a22.html Earth-like extra-solar planets have been found orbiting in the “habitable zone,” where radiation levels would permit the existence of the building blocks of life. Mon, 22 Apr 2013 05:00:00 GMT http://www.wsws.org/asset/61aef43a-d34c-46e0-a6f5-64e4ba26f98L/exop-a22.html 2013-04-22T05:00:00Z US sequester cuts force NASA to halt outreach programs http://www.wsws.org/en/articles/2013/03/28/nasa-m28.html NASA is halting all public outreach programs as a result of $900 million in budget cuts forced by the sequester. Thu, 28 Mar 2013 05:00:00 GMT http://www.wsws.org/asset/bccf1cbb-0c97-4b7e-8328-74ebdb4655eJ/nasa-m28.html 2013-03-28T05:00:00Z Earth-mass planet found orbiting the nearest star http://www.wsws.org/en/articles/2012/10/cent-o24.html A planet with similar mass to the Earth has been found orbiting α Centauri B, our closest interstellar neighbor. Wed, 24 Oct 2012 05:00:00 GMT http://www.wsws.org/asset/979b0cd8-b18e-48ac-8c77-afd3b76c468F/cent-o24.html 2012-10-24T05:00:00Z Voyager spacecraft approaching interstellar space—35 years after launch http://www.wsws.org/en/articles/2012/09/voya-s28.html Voyager 1 and 2 have flown through the Solar System for 35 years and now Voyager 1 is on the verge of becoming humanity’s first interstellar spacecraft. Fri, 28 Sep 2012 05:00:00 GMT http://www.wsws.org/asset/43ebec48-264c-458b-a5ce-6fd561503feK/voya-s28.html 2012-09-28T05:00:00Z The Mars landing http://www.wsws.org/en/articles/2012/08/pers-a10.html Despite efforts to portray it as a triumph for “American values,” the successful landing of the Curiosity rover was the product of collective social effort and scientific planning that is the antithesis of profit-mad individualism. Fri, 10 Aug 2012 05:00:00 GMT http://www.wsws.org/asset/ea261faa-5cb9-46b9-98dd-8ebfea9469dP/pers-a10.html 2012-08-10T05:00:00Z Curiosity rover lands on Mars: A milestone of space exploration http://www.wsws.org/en/articles/2012/08/mars-a07.html Curiosity, NASA’s latest Mars rover, has successfully landed on target at Gale crater. Tue, 07 Aug 2012 05:00:00 GMT http://www.wsws.org/asset/114952ae-0bbd-4f0e-b18c-495bf0a606fH/mars-a07.html 2012-08-07T05:00:00Z The 2012 transit of Venus http://www.wsws.org/en/articles/2012/06/venu-j05.html The Sun, the planet Venus and the Earth will line up so that Venus appears to pass across the disk of the Sun. Tue, 05 Jun 2012 05:00:00 GMT http://www.wsws.org/asset/2a14af93-637f-41c5-8d6b-6aea1977d5bG/venu-j05.html 2012-06-05T05:00:00Z New search for life among Jupiter’s ice moons http://www.wsws.org/en/articles/2012/05/juic-m17.html The European Space Agency (ESA) has announced a €1.1 billion unmanned mission to the ice moons of the planet Jupiter. Thu, 17 May 2012 05:00:00 GMT http://www.wsws.org/asset/cc43c642-93fd-42bf-848b-6a3771c3468A/juic-m17.html 2012-05-17T05:00:00Z The end of the US space shuttle program http://www.wsws.org/en/articles/2011/08/shut-a19.html The American manned space program is shutting down indefinitely, an event that has considerable historical significance. Fri, 19 Aug 2011 05:00:00 GMT http://www.wsws.org/asset/fae41b5b-f140-45c6-851a-9984bff4bceJ/shut-a19.html 2011-08-19T05:00:00Z Herschel telescope discovered twisted ring of gas and dust at the centre of our galaxy http://www.wsws.org/en/articles/2011/08/ring-a05.html The Herschel Space Observatory has identified a twisted ring of dust and gas at the centre of the Milky Way galaxy. Parts of the ring have been seen before but this is the first time it has been observed as a whole. Fri, 05 Aug 2011 05:00:00 GMT http://www.wsws.org/asset/38564a53-9b38-4baf-98a9-73a1e2c101aH/ring-a05.html 2011-08-05T05:00:00Z Dawn spacecraft reaches the asteroid Vesta http://www.wsws.org/en/articles/2011/07/dawn-j20.html The NASA mission will study the two largest asteroids, first Vesta, then Ceres. Wed, 20 Jul 2011 05:00:00 GMT http://www.wsws.org/asset/06f8eff0-6669-4308-bc86-f8e484f8c3aA/dawn-j20.html 2011-07-20T05:00:00Z Extra-solar planet could sustain Earth-like life http://www.wsws.org/en/articles/2011/06/plan-j06.html The planet Gliese 581 d is believed to be twice the mass of Earth, and could sustain liquid water on the side that faces its star. Mon, 06 Jun 2011 05:00:00 GMT http://www.wsws.org/asset/3f20e840-924a-4802-8625-b514359cfbaH/plan-j06.html 2011-06-06T05:00:00Z First spacecraft begins orbiting the planet Mercury http://www.wsws.org/en/articles/2011/03/merc-m25.html MESSENGER is the first space mission to Mercury in more than three decades. Fri, 25 Mar 2011 05:00:00 GMT http://www.wsws.org/asset/e6b66104-b533-4d8c-b5b2-4358f38df8dD/merc-m25.html 2011-03-25T05:00:00Z Large Hadron Collider will continue experiments into 2012 http://www.wsws.org/en/articles/2011/03/coll-m18.html The physics research conducted in 2010 has allowed for the Large Hadron Collider to extend its operations through 2011 and 2012. Fri, 18 Mar 2011 05:00:00 GMT http://www.wsws.org/asset/51acb592-b43e-412e-bcb1-554b205652eI/coll-m18.html 2011-03-18T05:00:00Z Planet formation viewed by astronomers http://www.wsws.org/en/articles/2011/03/plan-m11.html Astronomical observation directly confirms the nebular hypothesis of Kant and Laplace. Fri, 11 Mar 2011 05:00:00 GMT http://www.wsws.org/asset/64c4fed8-ee4a-41e7-930e-ee7597d8e26A/plan-m11.html 2011-03-11T05:00:00Z Stardust spacecraft gives second glimpse of comet Tempel 1 http://www.wsws.org/en/articles/2011/02/temp-f18.html The fly-by took place on February 14, some 210 million miles from Earth Fri, 18 Feb 2011 05:00:00 GMT http://www.wsws.org/asset/acd6b409-fca1-47bf-832e-498df5799a6B/temp-f18.html 2011-02-18T05:00:00Z Smallest rocky planet outside our solar system discovered http://www.wsws.org/en/articles/2011/01/plan-j28.html NASA has confirmed this month that its Kepler space observatory has now identified the smallest yet planet outside our solar system, exoplanet Kepler-10b. Fri, 28 Jan 2011 05:00:00 GMT http://www.wsws.org/asset/d2475946-c7f8-4eaa-a230-37662be38afC/plan-j28.html 2011-01-28T05:00:00Z Mars rovers mark seven years on the planet’s surface http://www.wsws.org/en/articles/2011/01/mars-j22.html The two robot exploration vehicles have revolutionized scientific understanding of the planet. Sat, 22 Jan 2011 05:00:00 GMT http://www.wsws.org/asset/03b1d69a-8505-4161-bd65-2169d5ad69fA/mars-j22.html 2011-01-22T05:00:00Z Bacteria that consumes arsenic boosts search for “alien” life http://www.wsws.org/en/articles/2010/12/bact-d10.html The new bacteria was discovered by a research team at Mono Lake, California. Fri, 10 Dec 2010 05:00:00 GMT http://www.wsws.org/asset/b93acb72-f761-4cb5-ae46-61ca05170dbF/bact-d10.html 2010-12-10T05:00:00Z Gamma-ray bubbles discovered around our galaxy http://www.wsws.org/en/articles/2010/11/gamm-n18.html A giant structure around our Milky Way galaxy has been discovered by the NASA Fermi Gamma-ray Space Telescope. Thu, 18 Nov 2010 05:00:00 GMT http://www.wsws.org/asset/21e297ce-1397-414a-963f-ca2271b5293C/gamm-n18.html 2010-11-18T05:00:00Z Scientists directly image an extra-solar planet’s orbit around a young star http://www.wsws.org/en/articles/2010/07/plan-j19.html For the first time in the history of the search for planets outside the solar system, astronomers have observed a planet going from one side of its parent star to the other. Mon, 19 Jul 2010 05:00:00 GMT http://www.wsws.org/asset/7f5fd4ab-6b12-41de-9268-07ca7f05824N/plan-j19.html 2010-07-19T05:00:00Z Solar Dynamics Observatory―an eye on the Sun http://www.wsws.org/en/articles/2010/03/sola-m13.html One month after its successful launch, NASA’s Solar Dynamics Observatory has begun capturing high-resolution images of solar phenomena at 10-second intervals. Sat, 13 Mar 2010 05:00:00 GMT http://www.wsws.org/asset/f20d0948-6c11-4d7c-9733-2cacb0cf685N/sola-m13.html 2010-03-13T05:00:00Z Spacecraft Kepler discovers five extrasolar planets http://www.wsws.org/en/articles/2010/02/kepl-f02.html NASA reported last month that Kepler, the first spacecraft dedicated to searching for planets beyond our solar system, has discovered its first five extrasolar planets. Though they are uninhabitable for Earth-like life—four of the five are even larger than Jupiter—their rapid discovery indicates that Kepler is fully capable of achieving its primary mission, finding a planet resembling Earth, in future years. Tue, 02 Feb 2010 05:00:00 GMT http://www.wsws.org/asset/64706d9e-4b89-4697-a09b-13132511075N/kepl-f02.html 2010-02-02T05:00:00Z Moon experiment shows presence of water http://www.wsws.org/en/articles/2009/11/moon-n17.html The deliberate crashing of a US rocket into the surface of the Moon has produced evidence of “a significant amount” of water ice, a discovery that could revolutionize the exploration of the Earth’s satellite and even open the way to long-term settlement. Tue, 17 Nov 2009 05:00:00 GMT http://www.wsws.org/asset/ae7d9f1f-3f13-498c-877e-24e9f740078J/moon-n17.html 2009-11-17T05:00:00Z Newly repaired Hubble telescope releases first images http://www.wsws.org/en/articles/2009/09/hubb-s23.html The first images from the repaired and upgraded telescope include a dazzling combination of planetary nebula, star clusters and galaxies. Wed, 23 Sep 2009 05:00:00 GMT http://www.wsws.org/asset/809b2547-65e7-49a7-a0de-4e02a6c3806B/hubb-s23.html 2009-09-23T05:00:00Z Four hundred years since Galileo’s astronomical discoveries http://www.wsws.org/en/articles/2009/08/gali-a15.html The International Year of Astronomy 2009 has been designated by the International Astronomy Union and UNESCO in honor of the 400th anniversary of the discoveries of Galileo Galilei and Johannes Kepler, two of the most important pioneers of modern astronomy. Sat, 15 Aug 2009 05:00:00 GMT http://www.wsws.org/asset/261e849f-3df5-4bc3-a5fa-84d9adc7214J/gali-a15.html 2009-08-15T05:00:00Z Forty years since the first Moon landing http://www.wsws.org/en/articles/2009/07/pers-j20.html Forty years ago, two American astronauts became the first human beings to land on the Moon. This historic feat is all the more remarkable because manned exploration of Earth’s satellite inaugurated by Apollo 11 ended little more than three years later. Mon, 20 Jul 2009 05:00:00 GMT http://www.wsws.org/asset/2725e502-fc08-4c3e-8120-08ae036febfO/pers-j20.html 2009-07-20T05:00:00Z Hubble Space Telescope receives final upgrade http://www.wsws.org/en/articles/2009/06/hubb-j23.html New instruments on the Hubble Space Telescope are currently undergoing calibration following the latest upgrade to the venerable scientific instrument. Tue, 23 Jun 2009 05:00:00 GMT http://www.wsws.org/asset/44763b8a-97be-4fb9-a400-4b995995a25C/hubb-j23.html 2009-06-23T05:00:00Z New space telescope to search for earth-sized planets http://www.wsws.org/en/articles/2009/03/kepl-m24.html On March 6, the US National Aeronautics and Space Administration successfully launched the Kepler mission, which will observe 100,000 stars in search of smaller, Earth-sized planets. Tue, 24 Mar 2009 05:00:00 GMT http://www.wsws.org/asset/d84a8841-d869-44fe-8d73-390fa1ecb8fE/kepl-m24.html 2009-03-24T05:00:00Z First images taken of extrasolar planets http://www.wsws.org/en/articles/2008/12/plan-d01.html In a breakthrough expected to foster further discoveries, two teams of astronomers have for the first time directly imaged planets orbiting stars outside the solar system. Mon, 01 Dec 2008 05:00:00 GMT http://www.wsws.org/asset/166ba810-ca84-4684-b6df-28723fb95cbD/plan-d01.html 2008-12-01T05:00:00Z China’s first space walk signals new rivalry in outer space http://www.wsws.org/en/articles/2008/10/chin-o13.html China's third manned space flight, launched on September 25 and returning to earth on September 28, was its most ambitious. Some 40 years after the Soviet Union and the US, China has become only the third country to conduct a space walk. Mon, 13 Oct 2008 05:00:00 GMT http://www.wsws.org/asset/5caddf14-cd15-4ddd-ae3e-f67cbedfeddH/chin-o13.html 2008-10-13T05:00:00Z Carl Sagan (1934-1996): An appreciation http://www.wsws.org/en/articles/1997/01/saga-j13.html Detailed discussion of his work and materialist outlook, and includes a focus on his attitude to Trotsky. Mon, 13 Jan 1997 05:00:00 GMT http://www.wsws.org/asset/c5b80275-84d6-4e1f-a011-7dc4ed82c41N/saga-j13.html 1997-01-13T05:00:00Z