Miriam Kramer

A comet from the outer reaches of the solar system is due to give Mars a close shave on Sunday (Oct. 19), and you can watch the flyby live online.

A spacecraft exploring the Saturn system was zapped by static electricity sent out one of the ringed wonder's many moons in 2005, a new study suggests.

Two NASA astronauts working outside the International Space Station raced against the clock during a spacewalk today (Oct. 15).

NASA's MAVEN Mars orbiter has been busy since it arrived at the Red Planet late last month, collecting detailed data about Mars' upper atmosphere.

NASA needs your help to name a new robot, and you could win some money doing it.

A NASA astronaut living and working on the International Space Station captured an incredible image of Typhoon Vongfong brewing in the Western Pacific.

A new role-playing game set for release next year aims to bring fans of the series 'Firefly' back into the space western universe years after the show went off the air.

NASA made a cameo in the first teaser trailer for the new, highly secretive Disney movie "Tomorrowland."

Two astronauts ventured outside the International Space Station to do some maintenance and repair work during a more than six-hour spacewalk today (Oct. 7).

A total lunar eclipse will rise Wednesday (Oct. 8), and even if you can't see the full "blood moon" rise from your city, you can watch it online via two webcasts.

Two astronauts will venture outside the confines of the International Space Station for a spacewalk today (Oct. 7).

One decade after a huge milestone in commercial spaceflight, Sir Richard Branson thinks his spaceflight company Virgin Galactic's spaceship, is "on the verge" of another breakthrough in the industry.

A NASA satellite charged with staring at the sun captured an incredible image of the star bursting forth with a moderately sized solar flare Thursday.

Skywatchers across much of the world will have the chance to see the moon glowing with an eerily red pallor during a pre-Halloween total lunar eclipse next week.

The spacesuits of the future might be totally alien-looking. Instead of the bulky spacesuits that astronauts wear today, a group of MIT researchers want to "shrink-wrap" the spaceflyers of tomorrow.

A new European prototype telescope inspired by an insect's eye could help protect Earth from dangerous asteroids when it is expected to come online next year.

A probe flying through deep space has been beaming back amazing photos and information about its target comet since arriving at the cosmic body in August.

A bright green aurora reflects off a glacial lake against the backdrop of a snow-covered mountain range in an incredible photo that took home first prize in an astrophotography competition.

NASA astronauts should be able to hitch a ride to space aboard space taxis built by private two companies in the next three years, and reactions are strong.