Heartwarming footage captured the moment stranded Boeing Starliner astronaut Sunita Williams shared a joyous reunion with her ...

This long-exposure view shows the Earth and stars as intense streaks over time as seen from the International Space Station by NASA astronaut Don Pettit. | Credit: NASA/Don Pettit and Babak ...

Earth's auroras look a bit different from above. NASA astronaut Don Pettit captured two amazing videos of our planet's ...

Editor's note:Click here to watch the Starliner astronauts return to Earth. The astronauts who flew aboard the infamous Boeing Starliner for its maiden crewed voyage are on their way home.

Editor's note:Click here to watch the Starliner astronauts return to Earth. The NASA astronauts who crewed the Boeing Starliner could be on their way home a little sooner than expected.

Long-delayed Starliner astronauts Barry "Butch" Wilmore and Sunita Williams and two space station crewmates returned to Earth on Tuesday to finally close out a repeatedly extended nine-and-a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. One of the most ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station. The Earth and a starry night appear to merge into ...

The NASA astronauts who crewed the Boeing Starliner could be on their way home a little sooner than expected. Weather conditions off the Florida coast, where astronauts Butch Wilmore and Suni ...