Air & Space

If you've ever dreamed of becoming an astronaut and have four months to spare, you might have the "right stuff" to fly to Mars … well, sort of.

Russian officials admitted Thursday that US radar was not behind the failure of the Phobos-Grunt Mars probe, which plummeted to Earth last month following a malfunction.

A gravity-mapping spacecraft orbiting the moon has beamed home its first video of the lunar far side — a view people on Earth never see.

For the very first time, a NASA spacecraft has detected matter from outside our solar system — material that came from elsewhere in the galaxy, researchers announced today (Jan. 31).

NASA's prolific planet-hunting spacecraft has hit the jackpot again, discovering 11 new planetary systems with 26 confirmed alien planets among them. 

A small asteroid the size of a city bus zoomed between Earth and the moon's orbit Friday just days after its discovery, but it never posed a threat to our planet, NASA says.

Russia will postpone two manned launches to the International Space Station (ISS) due to technical problems during testing, the Interfax news agency reported Friday.

Newt Gingrich defended his ambitious spaceflight goals against attacks from the other three contenders for the Republican presidential nomination during Thursday night's (Jan. 26) debate in Florida.