For most of 2015, the dwarf planet has been beaming a mystery back at us. Now NASA has an educated guess that might surprise you.
NASA's New Horizons has sent back remarkable new images of the distant dwarf planet, but nothing captures the feel of Pluto quite like this new video.
NASA's administrator confirms the space agency is moving ahead with plans to send a spacecraft to Europa, a moon that may hide a vast ocean under its icy surface.
The BentProp Project has been searching the Palauan jungle for years to find the remains of POWs and others executed by the Japanese. Unexploded WWII bombs make it a risky quest.
For years, the BentProp Project has searched the seas off Palau for missing planes shot down by the Japanese. Now the group has access to the latest oceanographic technology, which it used to find two aircraft lost for 70 years.
GPS can't quite capture the beauty of historical maps. Thanks to the Lionel Pincus & Princess Firyal Map Division at the New York Public Library, 20,000 high-res maps are now available for download.
Scientists reevaluate what they thought was a massive impact crater on Mars. It may actually have had a much more fiery past.
A Canadian prototype for Mars and moon micro-rovers could be tethered to larger vehicles to avoid getting trapped in sand.
Four years after launch from Cape Canaveral, NASA's Dawn spacecraft is finally in orbit around Vesta, beaming back spectacular images of a tortured surface dating back to the formation of the solar system.
Field-tested apps and tips for using your Android device on the trail, even beyond roaming range.