Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

Russian President Vladimir Putin aims to collaborate with the United States, particularly in the space sector, with upcoming discussions involving SpaceX's Elon Musk about Mars missions. Russian envoy ...

Bone and muscle deterioration, radiation exposure, vision impairment -- these are just a few of the challenges space travelers face on long-duration missions, even before considering the psychological ...

Massachusetts native Suni Williams is among NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday -- a ...

What happened to NASA astronaut Scott Kelly after spending a year in space while twin brother Mark, also an astronaut, remained at home?

Elon Musk announced that Starship will head to Mars in late 2026 with Tesla bot Optimus. A successful mission could lead to ...

Researchers worry an “extinction-level event” is coming for space science as the Trump administration looks to slash spending ...

Elon Musk announced Starship's journey to Mars with a Tesla humanoid bot by the end of 2026. Meanwhile, SpaceX successfully ...

SpaceX founder Elon Musk has said his Starship rocket will head to Mars by the end of next year, as the company investigates ...

SpaceX chief Elon Musk says the Starship rocket will put Tesla’s Optimus robot on Mars in 2026, followed by human landings ...