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Atmosphere of Alien Super-Earth Revealed for First Time

Latest News About Alien Planets

An alien planet orbits a star other than our sun, and is sometimes called an "exoplanet." Learn more about the types of alien planets, including exoplanets and extrasolar planets, and get the lates...

On April 12, 1961, Russian cosmonaut Yuri Gagarin (left, on the way to the launch pad) made the first human spaceflight, a 108-minute orbital journey in his Vostok 1 spacecraft. Newspapers like The Huntsville Times (right) trumpeted Gagarin's accomplishme

Fifty Years of Human Spaceflight

It's been 50 years since humanity first launched into space and there's ...

China's Tiangong 1 spacecraft and Long March 2F rocket is pictured at the launch site after being transferred from a facility at the Jiuquan Satellite Launching Center.

Latest News About China's Space Program

See the latest on China's space program, rocket launches and space missi...

U.S. and Australia Join Forces to Track Space Junk

Latest News About Space Junk and Orbital Debris

See the latest news about space debris and junk in space.

Latest News for 2012 Venus Transit of the Sun

Get the latest news for the rare 2012 Venus transit across the sun on Ju...

The Mars Science Laboratory rover, Curiosity, stands inside the Spacecraft Assembly Facility at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The photograph was taken during mobility testing on June 3, 2011. Workers continue preparing to ship the rov

Latest News About Mars Science Laboratory, NASA's Newest Mars Rover

The Mars rover Curiosity, also known as the Mars Science Laboratory, wil...

NASA's twin Mars rovers, Spirit and Opportunity, have been on the surface of Mars for more than seven years.

Latest News About Mars Rovers Opportunity and Spirit

Mars Rovers Spirit and Opportunity are 6-wheeled, remotely operated expl...

Latest News About NASA's Grail Moon Gravity Mission

See the latest news about NASA's Grail moon gravity mission.

American entrepreneur Greg Olsen floats in weightlessness during a zero-gravity training flight for his 2005 space tourist mission to the International Space Station.

Space Tourism: The Latest News, Features and Photos

Learn the latest news about space tourism and space tourist trips into o...

Galaxy NGC 4214 is dominated by a huge glowing cloud of hydrogen gas in which new stars are being born. A heart-shaped hollow — possibly galaxy NGC 4214’s most eye-catching feature — can be seen at the centre of this.