NASA astronaut Sunita Williams reveals post-space struggle: severe fatigue made early mornings tough—until a 4 AM ...

Saturn's moon Titan has an atmosphere that spins with a tilt completely separate from the moon's surface rotation.

A sweeping cosmic census from the James Webb Space Telescope has unveiled nearly 1,700 galaxy groups—marking the deepest and ...

After leaving Earth, Tianwen-2 will reach Kamo‘oalewa by July 2026. This tiny, elongated asteroid likely spans no more than ...

Thousands of satellites with incredibly short lifetimes are being sent up into low Earth orbit. When they fall back down they ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

The device appeared to violate the conclusion that any conductor at rest with respect to Earth’s surface cannot generate power from its magnetic field,” Princeton’s Christopher Chyba added in a press ...

Williams said some of her post-spaceflight side effects were slower to clear up and she felt tired in late stages of recovery ...

Sunita Williams and Butch Wilmore have safely returned to Earth after spending over nine months aboard the International ...

Sunita Williams and Butch Wilmore last year set off for an eight-day Starliner test flight that turned into a nine-month stay ...

Astronauts Butch Wilmore and Suni Williams completed their Earth return and physical therapy after an extended stay on the ...