NASA announced it's ending a mission to the International Space Station early because of a medical situation involving one of ...

NASA has postponed a spacewalk at the International Space Station after a crew member experienced a medical concern.

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

NASA says a crew member on the International Space Station is unwell. The agency canceled a planned spacewalk for Thursday ...

NASA said the unidentified astronaut is 'stable," but the agency is considering all options, including a possible early ...

Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear kick-off timeline, dating back more than 400 years. It's also just 20,000 ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

Despite the U.S. withdrawing from 31 U.N. entities, it is obligated to continue providing assessed funding amounts, U.N.

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

New York City parents may soon have access to free child care for their 2-year-olds, under a plan set to be unveiled by Gov.

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have uncovered the largest and most extended stream of ...