As India’s astronaut Shubhanshu Shukla heads to the International Space Station on the Axiom-4 mission, he won’t be alone — a ...

Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

A new commander has taken charge aboard the ISS as three crew members prepare for their return to Earth—just in time for one ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth this evening (April 19), and you can watch their homecoming live.

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

However, the journey of discovery in both fields has barely begun, promising endless opportunities for exploration and ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

In a remarkable coincidence, NASA astronaut Don Pettit will mark his 70th birthday with a fiery reentry through Earth's ...

Cosmonaut Alexey Ovchinin of the Russian space agency Roscosmos passed control of the orbiting lab over to Takuya Onishi of ...

A U.K. startup called Pulsar Fusion has recently unveiled a project it has been developing “in complete secrecy” for the past decade: nuclear fusion-powered rockets called Sunbirds. The company teased ...

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan with two Russians.