The Parker Solar Probe has successfully completed a historic close encounter with the sun, passing through its blazing corona in mankind's nearest approach to the star, NASA announced Friday.

Stranded NASA astronaut Sunita "Suni" Williams has followers scratching their heads over a festive new photo that shows the space travelers getting into the holiday spirit lightyears away from earth.

NASA is testing how to explore the Moon and rescue incapacitated astronauts using a rover. In a statement, the agency said ...

The astronauts — including two whose return is long overdue — held a zero-gravity cookie-decorating contest and built a ...

The astronauts on the I.S.S. — including two who were scheduled to return months ago — held a zero-gravity cookie-decorating ...

Space station crews spend the holidays away from family and friends, but that doesn’t stop them from celebrating in space.

On the heels of a NASA spacecraft's historic close flyby of the sun on Christmas Eve, scientists on Earth have one question ...

A Christmas photo of the NASA astronauts who are still stranded on the International Space Station until next year has ...

NASA astronauts Sunita Williams and Butch Wilmore celebrated Christmas in high spirits aboard the International Space Station ...

NASA gave people on Earth a little glimpse into the International Space Station, but everyone had the same question. Sunita ...

Astronauts Butch Wilmore and Sunita Williams brought Christmas cheer to the ISS, donning Santa hats despite being stranded in ...

NASA astronauts Sunita Williams and Barry "Butch" Wilmore celebrated Christmas aboard the ISS, wearing Santa hats in a photo ...