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Mars: Strong evidence for a lost ocean
The Mars Express spacecraft used radar to detect sediments reminiscent of an ocean floor within previously identified, ancient shorelines on Mars.
February 6, 2012
SpaceX hopes to launch to ISS on March 20
SpaceX wants to launch the first commercially built spacecraft to the International Space Station on March 20, 2012, but might push back the launch to April.
February 5, 2012
GRAIL video shows moon’s far side
Twin spacecraft - named Ebb and Flow, part of NASA's GRAIL mission - are orbiting the moon. Ebb has captured a video of the moon's far side.
February 2, 2012
Kepler satellite and planets of double stars
Thanks to the Kepler satellite, we now know of three planets orbiting in double star systems.
February 2, 2012
Asteroid Eros at its closest since 1975 on January 31
Asteroid 433 Eros passed closer to Earth on January 31, 2012 than it had since 1975.
January 31, 2012
Judy Cheng: Milky Way grew from inside out
Astronomer Judy Cheng of UC Santa Cruz was part of a survey of stars called SEGUE-2 that found the inner disk of our Milky Way galaxy grew differently than the outer disk.
January 31, 2012
Sukanya Chakrabarti maps dark matter from ripples of passing satellites
Mapping the unseen dark matter halo of a galaxy, using gravitational ripples caused by passing satellite galaxies.
January 30, 2012
Dune fields on Titan, Saturn’s large moon
Scientists using radar to peer through Titan's dense clouds see vast fields of sand dunes, not unlike those on Earth. See the newest images.
January 29, 2012
Annular solar eclipse seen from space
The Hinode satellite, which has been orbiting Earth since 2006, has captured some amazing eclipse images. This one is particularly striking.
January 28, 2012
Opportunity rover marks eight-year anniversary on Mars
The Opportunity rover touched down on Mars at 5:05 a.m. UTC on January 25, 2004 for a planned three-month mission to explore the Red Planet.
January 25, 2012
