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

Human spaceflight is built on a simple paradox: the farther people travel from Earth, the more fragile their bodies and missions become. NASA has distilled that reality into five core hazards that ...

KENNEDY SPACE CENTER — SpaceX chalked up another human spaceflight Monday night, taking four civilians on a trip around the Earth that has never been done before. Now circling the planet on a ...

Blue Origin completed a historic suborbital flight, sending the first wheelchair user to space and back aboard its New Shepard rocket.

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

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 ...

Rather than the fearsome enemies of movies like "The Terminator," as we move into the universe, AIs can be our partners, our children, and perhaps even us. When you purchase through links on our site, ...

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.

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 ...

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 ...

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 ...