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The passage of time can slow to a crawl when you're waiting, and waiting, and waiting. How will the Boeing Starliner astronauts feel time move if they have to stay in space for another 6 months?

Astronauts are stuck on the International Space Station after yet more problems with Boeing's beleaguered Starliner. Here's why an investigation into the issues is so difficult, even for NASA.

A new device may someday soon allow astronauts to drink purified water made from their filtered pee during spacewalks.

ISS astronauts, including the stranded Butch Willmore and Suni Williams, have sought refuge inside their docked spacecraft after the Resurs-P1 satellite splintered apart in orbit.

NASA and Boeing engineers are troubleshooting various faults in the Starliner spacecraft. But with only 45 days of docking time available, the window for return is closing.

An object that smashed through a Florida home was part of a pallet jettisoned from the International Space Station along with 5,800 pounds of aging batteries back in March 2021.

Satellite images show the moon's gigantic shadow sweeping across North America during the April 8 total solar eclipse. Astronauts on board the ISS also captured stunning shots of the enormous dark patch.

The mysterious cylinder crashed through the home of Alejandro Otero on March 8.

Scientists found a monster black hole that 'hiccups' every 8.5 days, and a smaller black hole that keeps punching through its accretion disk may be to blame.

The cameras aboard the International Space Station may be ready, but it's still not clear where to point them in order to capture the April 8 total solar eclipse.