The zero-gravity environment aboard the International Space Station (ISS) had atrophied their muscles and caused their bones to lose density, making it difficult to walk, or even stand.

4K Cartwheel Galaxy Views Via Hubble Space Telescope Posted: March 20, 2025 | Last updated: March 20, 2025 See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope.

NASA is evaluating options for another test flight of Boeing’s CST-100 Starliner commercial crew vehicle before having the vehicle begin regular missions to the International Space Station.

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.

Wilmore and Williams before their journey to the ISS in June (MIGUEL J. RODRIGUEZ CARRILLO/AFP via Getty Images) Butch Wilmore and Suni Williams before the launch (Kirk Sides/Houston Chronicle via ...

A SpaceX Falcon 9 rocket propelled the colonel's Dragon spacecraft into orbit for a six-month mission to the International Space Station. McClain, a Soldier in her second space mission ...

Astronauts Suni Williams and Butch Wilmore are back on Earth after their eight-day mission aboard the International Space Station (ISS) unexpectedly became a nine-month enforced stay. Now ...

The pair left on June 5 for what was supposed to be an eight-day mission to the International Space Station. But the Boeing Starliner that the duo launched in — the spacecraft’s first flight ...

Wilmore and Williams, seated inside a Crew Dragon capsule with two other crew members, undocked from the ISS at 1:05 a.m. New York time on Tuesday. National Aeronautics and Space Administration ...

Nasa astronauts Sunita Williams and Butch Wilmore have undocked from the International Space Station (ISS) after an extended nine-month mission, initially planned for just eight days. Their return ...

NASA astronauts Suni Williams and Butch Wilmore are returning to Earth after a 9-month stay on the International Space Station. SpaceX's Crew-10 mission, which arrived at the ISS on Sunday ...