Human spaceflight has entered a phase where one company effectively controls the only operational ride to orbit for ...

December 20, 2025, will be remembered as a turning point in the chronicles of space exploration, forever altering humanity’s ...

Van Allen radiation hinders and complicates spaceflight, magnetic instruments, and more.

China is rounding off what has been a year of big progress in space, including major crewed lunar landing tests, new rockets and booster landing attempts, a new deep space mission and even ...

Early prototypes of the SpaceX Starship super-capsule that Italy is chartering to speed its spaceflight and biotech experiments to Mars (Marie D. De Jesús/Houston Chronicle via Getty Images) With its ...

This week, NASA finalized its strategy for sustaining a human presence in space. A document emphasized the importance of maintaining the ability for extended stays in orbit after the International ...

If you thought 2025 was an exciting year for spaceflight, just wait until 2026. Here's a look at six missions that could define the year.

Scientists are learning what short and long-duration space missions do to human bodies. Some changes are common like a puffier face, bone loss, and less sleep. Here are nine ways the harsh conditions ...

Humanity has never been fully satisfied with this side of the horizon. Our ancestors crested mountains and crossed oceans until our species filled every corner of the world. We invented machines for ...

Scientists working with NASA have discovered evidence that human stem cells undergo accelerated aging when exposed to the rigors of spaceflight. The main culprits seem to be microgravity and cosmic ...

A year-end recap of 2025 in space, covering NASA leadership changes, space policy, major missions, scientific discoveries and key events across orbit and beyond.

Thunderbird is a single-module space station that is designed to expand to a volume of 12,360 cubic feet (350 cubic meters) ...