This August, the U.S. will experience its first coast-to-coast total solar eclipse in 99 years.
Total solar eclipses occur every year or two or three, often in the middle of nowhere like the South Pacific or Antarctic. What makes this one so special (...)
A pair of astronauts ventured out on the last spacewalk of NASA's space shuttle era Tuesday to retrieve a broken pump from the International Space Station and install a fill-er-up experiment for a robot.
The space station's two-armed robot Dextre (...)
In a flight full of passion, Atlantis made the final docking in shuttle history Sunday, pulling up at the International Space Station with a year's worth of supplies.
The station's naval bell chimed a salute as Atlantis docked 240 miles above the (...)
flying streak ends this week with the smallest crew in decades — three men and a woman who were in high school or college when the first space shuttle soared 30 years ago.
History will remember these final four as bookending an era that began with (...)
Better catch Jupiter next week in the night sky. It won't be that big or bright again until 2022.
Jupiter will pass 368 million miles (592 million kilometers) from Earth late Monday, its closest approach since 1963.
The solar system's largest (...)
Space station astronauts tackled the last of their urgent cooling-system repair work Monday, making their third spacewalk in just over a week.
Douglas Wheelock and Tracy Caldwell Dyson were so anxious to wrap up the job that they floated out more (...)
Sir Isaac Newton's famous apple tree is about to leave gravity behind.
Flying aboard space shuttle Atlantis next week will be a 4-inch sliver of the tree from which an apple fell nearly 350 years ago and inspired Newton to discover the law of (...)
Space shuttle Atlantis is set to blast off on its final flight next week, heading to the International Space Station, carrying up a crew of six and a load of supplies.
NASA's top managers agreed Wednesday to set May 14 as the launch date. Liftoff (...)
The crews of the linked space shuttle and space station embraced and said farewell Friday as they prepared for Endeavour to begin its two-day trip home after “a mission of Olympic proportions.”
There were hugs and handshakes all around as the six (...)
Astronauts successfully moved the International Space Station's fancy new observation deck to its final resting place Monday after a long, frustrating night spent dealing with stuck bolts and wayward wiring.
But they will have to wait a few more (...)
A pair of spacewalking astronauts floated back outside Saturday night to hook up plumbing on the newest room of the International Space Station and bring it alive with power.
Robert Behnken and Nicholas Patrick had to route extra-long hoses that (...)
Astronauts have run into trouble while setting up the International Space Station's newest room.
A cover that's supposed to go between Tranquility and its observation deck does not fit. Metal bars are not locking down properly because of (...)
Astronauts put the last big addition on the International Space Station early Friday, attaching a new room with an enormous bay window that promises to provide unprecedented panoramic views of Earth.
The room, named Tranquility, was hoisted into (...)
Endeavour and six astronauts rocketed into orbit Monday on what's expected to be the last nighttime launch for the shuttle program, hauling a new room and observation deck for the International Space Station.
The space shuttle took flight before (...)
In a high tech first — really, really high — astronauts in space finally have Internet access.
Space station resident Timothy (TJ) Creamer had been working with flight controllers to establish Internet access from his orbital post ever since he (...)
A spacewalking astronaut put aside the impending birth of his daughter and blazed through his first-ever venture outside the International Space Station Saturday.
The spacewalkers installed new antennas, relocated a monitor for electrical hazards, (...)
The booster rocket used in a test flight was badly dented when it fell into the Atlantic because of a deflated parachute, NASA said Thursday.
The new Ares I-X completed a two-minute flight Wednesday. The launch itself went well, officials said, but (...)
The astronauts aboard the linked space shuttle and space station are nearly finished packing up a moving van for return to Earth in a few days. The Italian-built van - essentially a giant cylinder - flew up aboard Discovery with seven tons of space (...)
Astronauts hitched a giant chest of drawers to the international space station Monday that contained a brand new freezer, sleeping compartment and treadmill bearing a TV comedian's name.
The Italian-built chest - nicknamed Leonardo, as in Leonardo (...)
Space shuttle Discovery and seven astronauts blazed into orbit on a spectacular Friday midnight flight to the international space station, transporting a treadmill named after a TV comedian, mice and thousands of pounds of more solemn (...)
NASA will try again to launch the shuttle Discovery to the international space station Wednesday after having to call it off because of thunderstorms.
The storms popped up unexpectedly late Monday all around the launch site, and lightning lit up (...)
Space shuttle Endeavour and its seven astronauts returned to Earth on Friday, completing a long but successful construction job that boosted the size and power of the international space station.
They ended up swamped with sushi. Endeavour's smooth (...)
Two astronauts cut short their spacewalk and hurried back to the safety of the international space station on Wednesday after a suit problem resulted in rising carbon dioxide levels for one of the men.
NASA officials stressed that spacewalker (...)
The bathroom lines at the already crowded space shuttle and space station complex got a lot longer Sunday because of a flooded toilet.
One of two commodes aboard the international space station broke down, right in the middle of complicated robotic (...)
Space shuttle Endeavour rocketed toward the international space station Thursday as engineers on Earth pored over launch pictures that showed debris breaking off the fuel tank and striking the craft.
Mission Control told the astronauts late (...)