BOULDER, Colo. — Satellite operators need better space weather models to maximize the life of their satellites and to avoid collisions in low Earth orbit. The growth in the population of ...

A constellation of satellites orbiting 250 miles above Earth’s surface shows how solar and wind have taken off in recent years: Here’s what renewable energy sites looked like eight years ago ...

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half.

NEW YORK (AP) — A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies. READ MORE: A cradle of baby stars revealed in new ...

NASA astronauts Butch Wilmore and Suni Williams finally returned to Earth after spending a total of 286 days in space MIGUEL J. RODRIGUEZ CARRILLO/AFP via Getty It was a momentous homecoming for ...

Armstrong Operations and Checkout Building at Kennedy Space Center for Launch Complex 41 at Cape Canaveral Space Force Station in Florida to board the Boeing CST-100 Starliner spacecraft for the ...

The first Space Force officer to be launched into space came back to Earth on Tuesday evening after six months aboard the International Space Station, returning alongside two astronauts who had ...

Stuck in space no more, NASA astronauts Butch Wilmore and Suni Williams returned to Earth on Tuesday evening local time, hitching a different ride home to close out a saga that began with a ...

Astronauts Suni Williams and Butch Wilmore made splashdown on Earth on Tuesday after spending nine months in space. A SpaceX crew with replacements for the two astronauts arrived at the ...

NASA's Suni Williams and Butch Wilmore - who gained international attention as their planned short stay in space stretched into a more than nine-month, politically fraught mission - are finally home.

NASA’s Suni Williams and Butch Wilmore — who gained international attention as their planned short stay in space stretched into a more than nine-month, politically fraught mission — are ...