Sun, Earth’s Space Environment
Sep 21, 2016
Four NASA spacecraft have performed a thrilling maneuver to understand the physics of explosive reconnection in Earth's magnetosphere.
Solar System, Planets of Our Solar System, Sky Watching
Jun 8, 2015
Venus and Jupiter are converging for a must-see close encounter at the end of June. It could be the best backyard sky show of 2015.
May 26, 2015
As the Hubble Space Telescope celebrates its 25th anniversary, scientists are reflecting on the key role astronauts played in allowing the telescope to continue making great discoveries.
May 22, 2015
The common roundworm shares a surprising amount of genetic material with humans - enough, in fact, to make them the good substitutes for astronauts in low-gravity medical studies.
May 14, 2015
On Earth, a fast runner takes a few hours to complete a marathon. On Mars, it's taken 11 years. NASA's Opportunity rover crossed that finish line in 2015.