The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

The vice president leading Boeing's Starliner spacecraft unit, Mark Nappi, has left his role in the program and been replaced ...

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

NASA’s Parker Solar Probe flew closer to the sun than any spacecraft ever has, surviving expected temperatures of 1,800 ...

For optical astronomy, the space station will be accompanied by the Xuntian telescope, which can be translated to “survey the ...

On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.

The program’s overall contract is worth up to $4.82 billion and over the next five years, Viasat will have a piece of that ...

"We're focused on geosynchronous Earth orbit, where the most valuable real estate in space," said Bernie Kelm.

The Large Magellanic Cloud is located about 1,60,000 light-years away and is between 10-20 percent as massive as the Milky ...