Pettit, NASA's oldest active astronaut, is celebrating his 70th birthday while landing in Kazakhstan after 220 days in space.

Learn more about who Suni Williams is and what her contributions have looked like throughout her career in space.

Astronaut Don Pettit shared what he calls “science of opportunity” to demonstrate how experimenting with our surroundings can ...

HOUSTON, TX – For nearly 300 days, astronaut Sunita Williams soared above the Earth aboard the International Space Station, gazing down at a planet that looked both familiar and foreign.

NASA astronaut Suni Williams works outside the International Space Station. Credit: NASA | edited by Space.com's Steve ...

After a trailblazing mission aboard the International Space Station, Crew-9 has returned to Earth, marking key milestones in ...

As of today, 631 individuals from 43 countries have journeyed into space, according to recorded history. This number includes astronauts, cosmonauts, space tourists, and other non-professional space ...

It was a moment that the world watched with bated breath as Sunita Williams and her fellow astronaut Butch Wilmore returned ...

Chandrayaan-3 and the upcoming first-ever manned mission, Gaganyaan – former NASA astronaut Scott Kelly said ISRO has a great ...

The craft carrying astronaut Jonny Kim and two Russian cosmonauts docked with the space station. They're scheduled for an eight-month stay.

NASA astronaut Suni Williams returned to Earth after a planned eight-day mission turned into a nine-month stay on the ISS.