A former NASA astronaut Leroy Chiao has come forward to reveal that he personally witnessed 'two metallic spherical orbs' ...

The space agency is looking to maintain human presence in the microgravity environment as it transitions to commercial ...

NASA's Parker Solar Probe is expected to make a fiery dive close to the solar surface on the morning of Christmas Eve.

One of two scheduled Falcon 9 rocket launches lifted off early Saturday with one going off in California but aborted in ...

Suni Williams and Butch Wilmore, the two astronauts stranded in space since June, posed for a festive photograph ahead of the ...

We explain this extraordinary phenomenon—and why solar flares and coronal mass ejections go together like spots on Dalmatians ...

Astronauts Suni Williams and Butch Wilmore, the crew of the first manned Boeing Starliner launch in early June, were ...

U.S. government agencies have awarded sensitive scientific, military and energy grants to dozens of researchers participating ...

Sure, the spacecraft got some attention when it launched. It is, after all, the fastest-moving object that humans h ...

The folks at the Space Telescope Science Institute arguably know the James Webb Space Telescope best — so we asked them for ...

Astronomers hope the Proba-3 mission will help them get a better view of the corona, the sun's outer atmosphere, which is ...

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