Polaris Dawn crew conducts first all-civilian spacewalk
The spacewalkers tested new SpaceX-designed pressure suits that could eventually be used by civilian astronauts on the moon and Mars.
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The spacewalkers tested new SpaceX-designed pressure suits that could eventually be used by civilian astronauts on the moon and Mars.
The Europa Clipper remains on track for launch Oct. 10 to study Jupiter's icy moon Europa, where a vast ocean lurks beneath an icy crust.
The crash-landing of a SpaceX booster ended a string of 267 successful recoveries in a row.
The landing mishap ended a string of 267 successful booster recoveries.
The Starliner's two-person crew now will stay in space until next February and return to Earth aboard a SpaceX Crew Dragon.
After months of testing and debate, NASA is poised to decide whether or not to bring two astronauts home aboard Boeing's Starliner.
The historic, privately financed space flight will carry humans above Earth's ice caps for the first time.
No final decisions have been made and NASA remains hopeful ongoing tests will show the Starliner can safely return its crew to Earth.
A metal support used to mount old batteries on a cargo pallet for disposal tore through the house in Naples, Florida on March 8.
A dramatic cosmic explosion is expected this summer. NASA says the event will be visible to even the naked eye.
William Anders, who snapped one of the most iconic images of the space age, was killed when his small plane went down off the coast of Washington state.
Despite being down to two operational gyroscopes, Hubble is still expected to operate well into the 2030s, NASA said.
China hails its lunar probe mission as a success after unfurling a Chinese flag on the far side of the moon and collecting rock and soil samples.
The orbits of six planets will bring them to the same side of the sun to create a "planetary parade" in early June.
Ed Dwight trained to become the first African American astronaut but was never asked to join NASA. He finally flew into space on Sunday.