Space News

Despite a forward-looking and overall healthy NASA planetary science program budget, two on-duty spacecraft are now on the chopping block.

NASA's newest Mars probe recently made a risky dive into the Red Planet's upper atmosphere to learn more about how the planet's climate changed over time.

The Russian astronaut heading off for a year in space says he'll miss the natural landscapes on Earth. His American counterpart jokes he won't miss his twin brother.

The first spacecraft to make a soft-landing on a comet is still quiet on the dusty cosmic body, despite being hailed by another probe orbiting the lander.

Liftoff of Soyuz ST-B carrying Galileo satellites 7 and 8, at 21:46 GMT, from Europe's Spaceport in French Guiana

American astronaut Scott Kelly and his Russian counterpart Mikhail Kornienko blasted off early Saturday on a mission to spend an entire year away from the Earth.

With spring underway, the evening sky is in transition. What new stars and constellations will adorn the night sky for the next few months?

Astronomers have spotted a fourth star in a planetary system called 30 Ari, bringing the number of such known quadruple-sun systems to two. Numerous two- and three-star planets have been identified.

Three crew members representing the United States and Russia are on their way to the International Space Station after launching from the Baikonur Cosmodrome in Kazakhstan at 3:42 p.m. EDT Friday (1:42 a.m., March 28 in ...

A senior European Commission official said the commission is determined to have 30 Galileo navigation satellites in orbit by 2020, implicitly endorsing the expenditure of 200 million to 300 million euros to purchase four...

New experiments show that the asteroids that slammed into Earth and the moon more than 4 billion years ago were vaporised into a mist of iron but stayed gravitationally stuck on more massive Earth.

NASA's Scott Kelly and Roscosmos' Mikhail Kornienko have begun their flight to the International Space Station aboard a Soyuz TMA-16M spacecraft.

An American astronaut and Russian cosmonaut launched into space Friday to attempt something their two countries have never done together before: a one-year mission on the International Space Station that could help one d...

Preparing to go to space for a year is no walk in the park. But with two years of training behind them, NASA astronaut Scott Kelly and cosmonaut Mikhail Kornienko did, in fact, visit a park.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station....

Europe was set to launch two navigation satellites Friday for its rival to America's GPS, the first additions to the Galileo constellation since a technical mishap misdirected two orbiters last year.

Monica Pondrelli and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. On the plateau, ELDs consist of ...

United Launch Alliance is allowing the public to vote on the name of its new launch vehicle, offering initially three, and later five, names to chose from. The post ULA Opens Public Voting on Name of New Rocket appeared ...

A series of observations from Mars orbit show how dark blast zones that were created during the August 2012 landing of NASA's Curiosity rover have faded inconsistently....

NASA's Jet Propulsion Laboratory News and Features:

Picking an option for the robotic portion of its Asteroid Redirect Mission (ARM) allows NASA to proceed with development, but does not appear to have won over those skeptical of the mission's overall utility. The post NA...

Astronomers using observations from the NASA/ESA Hubble Space Telescope and NASA's Chandra X-ray Observatory have studied how dark matter in clusters of galaxies behaves when the clusters collide....