Suni Williams and Butch Wilmore have been on the International Space Station for 15 weeks. They were only supposed to be ...

Comet Tsuchinshan-ATLAS (C/2023 A3) will soon be reaching its closest point to the Sun and continues to get brighter, ...

What is the cost of progress? 5 years ago, Brad Pitt starred in an underrated sci-fi thriller that asked that very question.

The subtle changes in time due to gravity’s denser passage on the Earth’s surface are a major reason why experts call for the moon to be given its own time zone — as even the planet’s best atomic ...

Such transfer of Earth’s atmospheric material might have been ongoing even during its enigmatic Hadean period, according to ...

Astronauts on the International Space Station, which has been in orbit for decades, have collected a stunning array of images ...

A remarkable photo taken by an astronaut aboard the ISS shows SpaceX’s Polaris Dawn Crew Dragon capsule entering Earth’s ...

As Suni Williams and Butch Wilmore spend months longer than planned on ISS, three astronauts tell us what life is like in ...

I sent down my request for a ballot today, as a matter of fact, and they should get it to us in a couple of weeks,” Butch ...

"'Kisses from Space' is a story that I wrote for you, James and Grace, to remind you that I love you and am always thinking ...

Boeing’s Starliner spacecraft, used by NASA in June to launch two astronauts to the International Space Station, has returned to Earth without its crew. It made a safe, controlled, autonomous re ...