July 23, 1999, Chandra X-ray Observatory Awaits Deployment

This 70mm frame shows the 50,162-pound Chandra X-ray Observatory before it was tilted upward for its…

NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

NASA's Kepler mission has confirmed the first near-Earth-size planet in the “habitable zone” around a sun-like…

Launch, Docking Returns International Space Station Crew to Full Strength

Three crew members representing the United States, Russia and Japan have arrived at the International Space…

Arianespace’s launch cadence continues: the Ariane 5 arrives for a September dual-payload mission with NBN Co 1A and ARSAT-2

Arianespace is maintaining its 2015 mission pace as components for another Ariane 5 have arrived in…

Arianespace’s launch cadence continues: the Ariane 5 arrives for a September dual-payload mission with NBN Co 1A and ARSAT-2

Arianespace is maintaining its 2015 mission pace as components for another Ariane 5 have arrived in…

Arianespace’s launch cadence continues: the Ariane 5 arrives for a September dual-payload mission with NBN Co 1A and ARSAT-2

Arianespace is maintaining its 2015 mission pace as components for another Ariane 5 have arrived in…

Soyuz Rocket Boosts Expedition 44 Crew to the International Space Station

The Soyuz TMA-17M launched from the Baikonur Cosmodrome in Kazakhstan to the International Space Station at…

NASA Invites Media to 2015 Unmanned Aircraft Systems Traffic Management Convention

NASA and the Silicon Valley Chapter of the Association of Unmanned Vehicle Systems International will cosponsor…

The Queen of Denmark visits Thule Air Base

Smoke Over the Greenland Sea

The 2015 wildfire season in the Arctic has been very intense – and very smoky. As…