Antares Rocket Ready for Launch

An Orbital Sciences Corporation Antares rocket is seen on launch Pad-0A at NASA's Wallops Flight Facility,…

Antares Rocket Rolls Out at NASA’s Wallops Flight Facility

An Orbital Sciences Corporation Antares rocket is seen as it is rolled out to Launch Pad-0A…

Ten Years Ago, Spirit Rover Lands on Mars

This mosaic image taken on Jan. 4, 2004, by the navigation camera on the Mars Exploration…

The World’s Tallest Mountain

Fourteen mountain peaks on Earth stand taller than 8,000 meters (26,247 feet). The tallest of these…

Quiet Corona and Upper Transition Region of the Sun

This image, taken on Dec. 31, 2013 by the AIA instrument on NASA's Solar Dynamics Observatory…

Hubble Eyes Galaxy as Flat as a Pancake

Located some 25 million light-years away, this new Hubble image shows spiral galaxy ESO 373-8. Together…

Astronaut Mike Hopkins on Dec. 24 Spacewalk

On Dec. 24, 2013, NASA astronaut Mike Hopkins, Expedition 38 Flight Engineer, participates in the second…

Astronaut Mike Hopkins on Dec. 24 Spacewalk

On Dec. 24, 2013, NASA astronaut Mike Hopkins, Expedition 38 Flight Engineer, participates in the second…

OCO-2 Observatory Conducts Environmental Tests

NASA's Orbiting Carbon Observatory (OCO)-2 spacecraft is moved into a thermal vacuum chamber at Orbital Sciences…

Forty-Fifth Anniversary of ‘Earthrise’ Image

Forty-five years ago, in December of 1968, the Apollo 8 crew flew from the Earth to…