Last Call: Pluto-Bound Craft Crosses Neptune Orbit
The New Horizons spacecraft, on its way to Pluto, crossed the orbit of Neptune Monday.
Watch CBS News
The New Horizons spacecraft, on its way to Pluto, crossed the orbit of Neptune Monday.
There is trouble aboard the International Space Station and two astronauts will have to perform an emergency spacewalk to fix a bad pump on an external cooling system.
Most people, for Christmas, ask for material things. But astronaut Rick Mastracchio, because of a broken cooling system at the spacestation, may actually get a spacewalk or two just in time for the holiday.
Italy's first spacewalking astronaut, after a leak flooded his helmet with water Tuesday while trying to performance maintenance at International Space Station, believes he now knows what it feels like to be a goldfish.
A list of pending chores, which includes collecting science experiments, sent two astronauts to the International Space Station Tuesday.
A who's-who of NASA officials, astronauts, and former astronauts gathered at the Kennedy Space Center Saturday to get an up-close view of the last space shuttle to travel to space.
For the first time in four years, NASA has a new group of potential astronauts.
Spacewalking astronauts armed with brushes and other homemade tools attempted to install a critical power-switching box at the International Space Station on Wednesday and revive electrical systems.
Looking around our nation, it's obvious that we need more heroines and heroes with Sally Ride's brave and courageous character. Her inspiration and legacy must live on to create the heroines – and heroes – of the future.
The first commercial space vehicle to dock with the International Space Station, launched from Florida earlier this week, finally delivered the groceries Saturday morning when it was opened by space station crew members and its cargo was transferred aboard.
NASA has settled its suit against a former astronaut who possessed a camera which had been to the moon. Former astronaut Edgar Mitchell said the camera he brought back from the Apollo 14 moon mission was given to him by NASA.
Astronauts kept busy fixing and hauling gear aboard the linked Atlantis and International Space Station on Saturday, as the last shuttle flight drew closer to an end.
The space shuttle Atlantis hasn't performed like a ship ready for retirement. The first full day of the final flight of the aging space shuttle fleet -- the most complicated machines ever built -- was practically flawless.
NASA fueled space shuttle Atlantis on Wednesday, but it was only a test leading up to the last flight of the 30-year program.
The crew of the space shuttle Endeavour has inspected their ship one last time.
It's official: NASA's next-to-last space shuttle flight is set to blast off Monday morning. Mission managers gave the green light Saturday for the final voyage of Endeavour. But will the weather permit?
Astronaut Mark Kelly, the husband of wounded Rep. Gabrielle Giffords, will command Space Shuttle Endeavour's final flight in April.