Astronauts Start 3rd Spacewalk

NASA astronauts Steve Bowen and Alvin Drew (partially obscured at center) conducted the STS-133 mission's spacewalk on Monday, Feb. 28.

Two US astronauts on Monday wrapped up the first spacewalk of the Discovery shuttle mission at the International Space Station after a robotic arm breakdown left one of them stranded for almost 20 minutes. ...

Two International Space Station astronauts set out Saturday on the first of two spacewalks to fix a cooling pump that dramatically failed last week.

Astronauts of the US space shuttle Discovery will venture again into outer space Saturday on a third and final spacewalk of their mission designed to help complete the International Space Station.

(PhysOrg.com) -- The Hubble Space Telescope has been with us for nearly two decades. In that time, its breathtaking images have captured people’s imaginations and its groundbreaking science has revealed ...

With the third and final spacewalk completed Sunday, the Expedition 17 and STS-124 crews are heading into the home stretch of their joint mission.

Even though astronauts receive some general medical training in preparation for a stay aboard the ISS, most of them still aren't medical professionals by any means—and with the inherent difficulties of ...

(Phys.org) —The time draws near. NASA is getting ready to launch a new mission, a mission to observe a largely unexplored region of the solar atmosphere that powers its dynamic million-degree outer atmosphere and drives ...

Sometime in the next quarter-century, NASA plans to send the first humans to Mars, a mission that will push the boundaries of teamwork for a handful of astronauts who will spend as long as three years together ...

In April, when the Hubble Space Telescope looked out towards Jupiter's orbit and observed what has been billed as the "Comet of the Century" – Comet C/2012 S1 ISON – the space telescope photographed a ...

NASA released a synopsis Friday announcing plans to issue an announcement for proposals for the commercial use of Launch Pad 39A at the agency's Kennedy Space Center in Florida. The announcement is expected next week.

Two months ago, on March 17th, 2013, a small space rock weighing just 88 pounds (40kg), travelling at 56,000 miles per hour, smashed into the lunar surface creating a flash so bright that viewers looking at the Moon at the ...