Astronauts Suni Williams and Butch Wilmore’s extended stay in the International Space Station will add to what we know about how space affects health.

NASA's stuck astronauts are heading home now that a replacement crew has arrived at the International Space Station ...

Suni Williams and Butch Wilmore returned to Earth on a SpaceX spaceship after their week-long flight turned into nine months ...

Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other ...

When the pair finally returned home in March, the astronauts had completed 286 consecutive days in space. But while that unexpectedly long duration sounds like a lot, it's totally normal for ...

Nine months later, they've captured the world's attention — and hearts — as NASA's stuck astronauts. Their homecoming is imminent now that a new crew has arrived at the International Space ...

Boeing Crew Flight Test astronauts Butch Wilmore, left, and Suni Williams pose for a portrait inside the vestibule between the forward port on the International Space Station's Harmony module and ...

Why did the stuck astronauts switch space taxis? Astronauts almost always fly back in the same spacecraft they launched in. Wilmore and Williams launched aboard Boeing’s Starliner and will ...