Two Endeavour astronauts have completed the mission's third spacewalk.
The National Aeronautic and Space Administration (NASA) said it is working on a new capsule that will carry humans into deep space.
NASA has said it is ending its attempts to regain contact with the Mars Exploration Rover Spirit. A transmission that will end on Wednesday, May 25, will be the last in a series of attempt, NASA said in a statement on Tuesday.
NASA's sky cameras recently caught a massive meteor soaring over Georgia. Take a look of a few videos of the meteor.
After the failed doomsday prediction, a new question arises in the hearts of doomsday anticipators - is the world going to end on October 21, 2011 or December 21, 2012? The numbers sound similar, but there is quite a gap in the reasoning behind them.
NASA's satellites are at work again, getting images of the Grímsvötn volcano in Iceland from space.
After a five-month stay aboard the International Space Station, Expedition 27 commander Dmitry Kondratyev and flight engineers Cady Coleman and Paolo Nespoli safely landed their Soyuz spacecraft on the Kazakhstan steppe Monday.
NASA has invited the general public to honor American achievements in human spaceflight on Wednesday, May 25, at the John F. Kennedy Center in Washington.
Endeavour's heat shield is damaged but the space agency has cleared it for re-entry as it doesn't pose a major safety problem.
NASA's Cassini spacecraft and a European Southern Observatory ground-based telescope tracked the growth of a giant early-spring storm in Saturn's northern hemisphere that is said to be so powerful that it stretches around the entire planet.
As believers across the world wait to witness May 21st doomsday prediction turn real, there are a number of reasons why Saturday, May 21, is not the end of the world, according to scientists as well as believers of religion.
Astronauts from the space shuttle Endeavour successfully complete their first space walk.
At a time when everybody is talking about the destruction of the earth, courtesy Doomsday on May 21, let's take a look at what has been driving our universe.
Looks like it’s the doomsday season, again, signs and newspaper ads across the U.S. and in other places around the world have been warning that the judgment day is coming, but the question remains whether it is on May 21, 2011 or December 21, 2012.
NASA astronaut Mark Kelly, commander of the STS-134 space shuttle mission, made a statement aboard the International Space Station about the future of space exploration. In addition, as he spoke from space Kelly showed off his wedding ring, which he wears around his neck.
The Alpha Magnetic Spectrometer (AMS), worth $2 billion, was placed outside the International Space Station (ISS) on Thursday. The device will be used to discover new forms of matter in outer space, NASA said.
The Endeavour astronauts, aboard the orbiting space station complex, are close to accomplishing the primary objective of their mission, NASA said.
NASA has rolled over space shuttle Atlantis to the Vehicle Assembly Building at Kennedy Space Center in Florida for mating the shuttle with its external tank and solid rocket boosters ahead of her July mission to the International Space Station. Take a glimpse of the shuttle hoisted to the high bay for mating.
The newly discovered isolated planets, also called free-floating Jupiters by scientists, are believed to be ejected from developing planetary systems, indicating possibilities of life on other planets as well.
As houses and agricultural fields lie submerged in the flood waters, check out some of the latest aerial views of Mississippi River Flooding in U.S.
Endeavour docks at the ISS and begins preparation for the first space walk on Friday.
Space shuttle Endeavour docked with the International Space Station (ISS) for the 12th and the last time on Wednesday keeping harmony with its swansong mission, reports from NASA said.