Meant For Space Aliens, Earthlings Get To Hear Voyager Golden Record

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If Trip Home Is Delayed, Astronaut Will Have To Vote From Space

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Visitors stand beside a model of the Tiangong-1 space lab in 2010, at the 8th China International Aviation and Aerospace Exhibition in Zhuhai, China. The real Tiangong-1 was launched into space in 2011 and will be returning to Earth next year — with some observers speculating China has lost control over the spacecraft. Kin Cheung/AP hide caption

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This rendering shows a snapshot from a cosmological simulation of a Lyman-alpha blob. J.Geach/D.Narayanan/R.Crain/European Southern Observatory hide caption

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Astronomers Find Clues In The Case Of The Glowing Space 'Blobs'

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Under NASA's plan, a spacecraft would get to the asteroid in the early 2020s — then pluck a car-sized boulder from the surface and head back toward Earth, to put the boulder in orbit around the moon. NASA hide caption

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NASA's Other Asteroid Mission: Grab A Chunk And Put It In Orbit Around The Moon

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Astronomer Andrew Connolly speaking at TED. James Duncan Davidson/TED hide caption

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What Data Will Be Discovered By The World's Most Powerful Telescope?

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A rocket carrying the OSIRIS-REx spacecraft lifts off at the Cape Canaveral Air Force Station in Florida on Thursday. The spacecraft aims to collect samples from the asteroid Bennu. John Raoux/AP hide caption

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NASA Launches Mission To Retrieve Ancient Asteroid Dust

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An artist imagines what the surface of the planet Proxima b, orbiting the red dwarf star Proxima Centauri, might look like. M. Kornmesser/ESO/NASA hide caption

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Why The Discovery Of An Earth-Like Planet Is Such A Big Deal

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Freddie Mercury is seen here performing with Queen bandmate Brian May. This week, May announced that an asteroid has been named in Mercury's honor. Ian Dickson/Redferns/Getty Images hide caption

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Photos taken on Friday, from more than a mile and a half from the comet, show Philae's three-foot-wide body and two of its three legs. The April 2015 image on the top right shows the comet overall, with the approximate location of Philae marked with a red dot. Main image and lander inset: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA; context: ESA/Rosetta/ NavCam hide caption

toggle caption Main image and lander inset: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA; context: ESA/Rosetta/ NavCam

Alex Longo makes a pitch at the Lunar and Planetary Institute in Houston, Texas, in October 2015. The Institute sponsored the conference to pick a landing site for the first human landing on Mars. Long has proposed a site for a different mission — a rover landing. Bill Ingalls/NASA hide caption

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A Teen Might Pick The Landing Site For NASA's Next Mars Rover

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NASA's Juno spacecraft captured this view on Aug. 27 as it closed in on Jupiter's north pole, about two hours before the probe's nearest approach. NASA/JPL-Caltech/SwRI/MSSS hide caption

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NASA Probe Takes First-Ever Close-Up Images Of Jupiter's North Pole

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Radio telescopes of the Allen Telescope Array are seen in Hat Creek, Calif. A signal that intrigued scientists has been found to have its roots on Earth, Russian scientists say. Ben Margot/AP hide caption

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Hurricanes Lester, Madeline and Gaston (from left to right) are seen from the International Space Station on Aug. 30. NASA Johnson YouTube/NASA composite hide caption

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NASA Completes Year-Long Mars Simulation In Hawaii

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An artist's depiction of the surface of the planet Proxima b as it orbits the red dwarf star Proxima Centauri, the closest star to our solar system. The planet is a bit more massive than Earth, scientists say, and circles its star once every 11 days. ESO/M. Kornmesser/Nature hide caption

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This Planet Just Outside Our Solar System Is 'Potentially Habitable'

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