With five active spacecraft now orbiting the planet, NASA has beefed up its traffic monitoring to make sure the Mars orbiters don't get too close to each other.
Flight controllers at Goddard Space Flight Center completed a maneuver that lowered the spacecraft’s orbit to within 12 miles (20 km) of the moon's South Pole.
Galaxy EGS-zs8-1 sets a new distance record. It's so far away the light we receive left the galaxy over 13 billion years ago, and it is just arriving now.
Why do some supernovae produce gamma-ray bursts, while others don't? The answer may lie in the swirling disk - and powerful jets - that some supernovae leave behind.
Spectacular images from Rosetta spacecraft of Comet 67P/Churyumov-Gerasimenko between January 31 and March 25. Many different angles. Increasing activity!
The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Sun, Human, Tonight. Since 1994.