Spacewalkers Overcome Stuck Bolt to Fix Space Station Power System By Denise Chow Today's spacewalk was the sixth for Sunita Williams and the second for Akihiko Hoshide.
Astronauts Begin Spacewalk to Fix Space Station Power System By Denise Chow Today's spacewalk is expected to last approximately 6.5 hours.
Astronauts to Take Extra Spacewalk Wednesday for Space Station Fix By Denise Chow Space station astronauts Sunita Williams and Akihiko Hoshide will venture outside for the second time in six days.
Stuck Bolt Forces Extra Spacewalk for Space Station Crew By Denise Chow Two astronauts were unable to install a replacement power unit during a lengthy spacewalk today.
Astronauts Battle Stuck Space Station Bolts in Marathon Spacewalk By Denise Chow The astronauts struggled with a series of stuck bolts while completing their spacewalk.
Astronauts Take Spacewalk Outside Space Station By Denise Chow The astronauts are expected to spend 6.5 hours working on the exterior of the space station.
Space Station Astronauts to Take Spacewalk Today By Denise Chow NASA astronaut Sunita Williams and Japanese astronaut Akihiko Hoshide will conduct the spacewalk.
Iconic Telescopes Should Lose Funding, New Report Suggests By Denise Chow A National Science Foundation committee recommends discontinuing funding for several iconic telescopes.
'We're NASA and We Know It': Hilarious Music Video Spoofs Mars Rover Team By Denise Chow The video takes a different spin on LMFAO's hit song "Sexy and I Know It."
Sun Dominates Space Weather Concerns for Next Decade: Report By Denise Chow The decadal survey was sponsored by NASA and the National Science Foundation.
NASA's Dawn Spacecraft Hits Snag on Trip to 2 Asteroids By Denise Chow A gitch has delayed the Dawn probe's trip from asteroid Vesta to Ceres.
Space Station Crew Gears Up for 2 Spacewalks By Denise Chow The Russian spacewalk will take place on Aug. 20, and the NASA spacewalk is scheduled to occur on Aug. 30.
Space Triathlon: Station Astronaut to Compete Where No One Has Before By Denise Chow NASA astronaut Sunita Williams will compete in the Nautica Malibu Triathlon from the space station.
CIA Declassifies Amazing 1972 Spy Satellite Capsule Deep-Sea Rescue By Denise Chow The expedition was carried out to retrieve a sunken film capsule in the Pacific Ocean.
NASA Primes Mars Rover Curiosity for Software Upgrade By Denise Chow The software transition will prepare Curiosity for its mission on the surface of Mars.
Mars Rover Curiosity Beams Home 1st Color Panorama of Red Planet By Denise Chow New Mars photos and video from NASA's Curiosity rover capture the Red Planet's stark beauty.
Mars Rover Curiosity Snaps Photo of Crater's Mysterious Mountain By Denise Chow The new photos show crisp views of the Curiosity rover's surroundings on the Red Planet.
New Start-Up Aims to Fill Funding Gap for Space Projects By Denise Chow The company, called Uwingu, is hoping to raise millions of dollars for research and educational projects.
How Mars Rover Curiosity's Nail-Biting Landing Works (Pictures) By Denise Chow Here's how NASA's newest Mars rover will land on the Red Planet.
NASA Marking Historic Mars Rover Landing with Flurry of Events By Denise Chow NASA hopes to use the Curiosity rover's landing to build awareness about Red Planet exploration.
TV Comedian Stephen Colbert Hypes NASA's Huge Mars Rover Landing By Denise Chow The Curiosity rover is slated to touch down on Mars on the night of Aug. 5.
Russian Cargo Ship Docks to Space Station Just Hours After Launch By Denise Chow The supply ship arrived at the space station roughly six hours after its launch into orbit.
Russian Supply Ship Launches on 1st Same-Day Trip to Space Station By Denise Chow The Progress 48 spacecraft will attempt to dock to the space station later tonight.
Russian Supply Ship to Launch & Arrive at Space Station on Same Day Today By Denise Chow The Progress 48 cargo ship will test a new same-day docking procedure to arrive at the outpost tonight.
'Star Trek' Actors Star in New Mars Rover Landing Videos By Denise Chow William Shatner and Wil Wheaton narrate new videos about the upcoming Mars rover landing.
