The concept known as “Kessler Syndrome” was proposed nearly five decades ago. Experts weigh in on whether the space-based disaster scenario is already unfolding.

This array of missions from NASA, SpaceX, Blue Origin and partners for 2025 reflects a busy year—and a dynamic and collaborative era in space exploration.

Most of us would panic if we were stranded in space without a firm return date. But Sunita Williams and Butch Wilmore aren’t ...

NASA has been celebrating the photographic work of astronaut Matthew Dominick, who enjoyed a six-month stay aboard the space station in 2024.

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

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

NASA awarded Axiom Space a $140 million contract in 2020 to attach a habitat module to the ISS, part of a government effort to commercialize low Earth orbit. Axiom’s Hab-1 would be the starting point ...

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

More archeological excavation is needed to clarify exactly what this pit was used for. “Roman society was full of ...

Leroy Chiao, who was a NASA commander on the International Space Station, had a near-collision with UFOs in August.

Pictures from the International Space Station do not disappoint, from comets and northern lights to giant hurricanes and ...