Tweetup At NASA’s JPL Previews Missions To Mars, Jupiter And More

NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif., will host a Tweetup for approximately 120 Twitter…

Spacecraft Reveals Dramatic Changes in Mars’ Atmosphere

NASA's Mars Reconnaissance Orbiter has discovered the total amount of atmosphere on Mars changes dramatically as…

NASA Invites Public To Take A Journey Toward Interstellar Space

NASA will hold a special Science Update at 1 p.m. EDT on Thursday, April 28, to…

NASA Spacecraft Reveals Dramatic Changes In Mars’ Atmosphere

NASA's Mars Reconnaissance Orbiter (MRO) has discovered the total amount of atmosphere on Mars changes dramatically…

Alaska’s Susitna Glacier

Like rivers of liquid water, glaciers flow downhill, with tributaries joining to form larger rivers. But…

NASA Honors Pioneer Astronaut Alan Shepard With Moon Rock

NASA will posthumously honor Alan B. Shepard Jr., the first American astronaut in space who later…

Ariane 5 is transferred to the launch zone for tomorrow’s heavy-lift flight

The second Ariane 5 of 2011 has moved to the ELA-3 launch zone at Europe's Spaceport,…

Ariane 5 is transferred to the launch zone for tomorrow’s heavy-lift flight

The second Ariane 5 of 2011 has moved to the ELA-3 launch zone at Europe's Spaceport,…

Ariane 5 is transferred to the launch zone for tomorrow’s heavy-lift flight

The second Ariane 5 of 2011 has moved to the ELA-3 launch zone at Europe's Spaceport,…

Ariane 5 is transferred to the launch zone for tomorrow’s heavy-lift flight

The second Ariane 5 of 2011 has moved to the ELA-3 launch zone at Europe's Spaceport,…