NASA said Thursday that it will bring four astronauts aboard the International Space Station back to Earth more than a month ...

A planned spacewalk outside the International Space Station was scrapped because of what NASA called a "medical concern" with ...

In Marfa, strange lights dance in the night sky, captivating visitors, while Taos residents report a puzzling hum that haunts ...

Earth, FX's best sci-fi series to date, aired its mind-blowing Season 1 finale, and fans are still reeling. Created by Noah ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...

NASA said it canceled a spacewalk planned for Thursday after an astronaut had an undisclosed medical issue on the ...

NASA says it has canceled the year's first spacewalk and may bring its crew back early from the International Space Station ...

A NASA spokeswoman said the astronaut with the medical concern, whom she did not identify, was in a stable condition on the ...

NASA reportedly considers early ISS crew return due to unspecified medical issue with astronaut. Rare safety move prompts ...

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

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...