NASA TV Briefing Discusses Curiosity Rover Analysis of Mars Rock

NASA will hold a news conference at 1 p.m. EDT, Tuesday, March 12, to discuss the…

NASA, Lockheed Martin Announce Exploration Design Challenge for Students

NASA and Lockheed Martin Corp. of Bethesda, Md., will involve students in the flight test of…

Quiet Interlude in Solar Max

Something unexpected is happening on the Sun. 2013 was supposed to be the year of "solar…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…

Arianespace receives the Ariane 5 for its upcoming launch with Europe’s ATV resupply spacecraft

The Spaceport's Final Assembly Building has welcomed its second Ariane 5 of 2013 as preparations in…