Sept. 3, 2013
A NASA spacecraft slated for launch on Sept. 6 will fly to the Moon to investigate the tenuous lunar atmosphere. Researchers hope "LADEE" will solve a mystery that has been puzzling them since the days of Apollo.
Aug. 29, 2013
Proving that there is still much to discover about the landscape of Earth, data from a NASA airborne science mission has revealed an immense and previously unknown canyon hidden under a mile of Greenland ice.
Aug. 23, 2013
Comet ISON is heading for a Thanksgiving Day brush with the sun, but first it's going to pay a visit to the Red Planet. Mars rovers and satellites will have a ringside seat for the comet's close approach on Oct. 1st.
Aug. 17, 2013
An exotic class of exoplanets called "hot Jupiters" are even weirder than astronomers imagined. While these worlds may have Earth-like blue skies, new data show that they are anything but Earth-like.
Aug. 15, 2013
New research shows that an asteroid exploding over Russia earlier this year created a belt of 'meteor dust' that circulated through the stratosphere for at least three months.
Aug. 5, 2013
Something big is happening on the sun. The sun's global magnetic field is poised to reverse polarity, a sign that Solar Max has arrived.
Aug. 3, 2013
NASA's Hubble Space Telescope has detected a new kind of stellar blast called a kilonova, which happens when a pair of compact objects such as neutron stars crash together.
July 26, 2013
New research by NASA's Meteoroid Environment Office shows that one meteor shower produces more fireballs than any other--the Perseids. This year's Perseid peak is just around the corner on August 12-13.
July 23, 2013
Images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space.
July 21, 2013
Saturn's giant moon Titan is dotted with hydrocarbon lakes and seas that bear an uncanny resemblance to bodies of water on Earth. Strangely, though, on Titan there are no waves. In this week's story, planetary scientist Alex Hayes discusses the mysterious flatness of Titan's liquid bodies and predicts a sea-change in the near future.