As space exploration pushes further into the unknown, new challenges are emerging, particularly for long-duration missions.

Facing a $1 billion budget shortfall, NASA is dropping the number of astronauts on the International Space Station.

A giant impact crater on the moon may contain primordial pieces of the lunar mantle and remnants of an ancient magma ocean, ...

Footage of the crew and views outside the Tiangong space station in these highlights. Credit: Space.com | footage courtesy: China Central Television (CCTV) | edited by Steve Spaleta Music: Great Wall ...

Is it easier to fall asleep in low gravity?” and other spaceflight questions, answered by two NASA sleep scientists.

In 1988, NASA started making MAGs — Maximum Absorbency Garments — for all its astronauts, said Kiona N. Smith, author of Peeing and Pooping in Space. The MAG uses a highly absorbent polymer compound ...

Anne McClain and Nichole Ayers achieved most of their planned tasks on today's (May 1) 5-hour, 44-minute extravehicular ...

Two NASA astronauts have completed a nearly six hour long spacewalk to maintenance and upgrades on the International Space ...

NASA astronauts Anne McClain and Nichole Ayers will perform the fifth all-female spacewalk to prepare the space station for ...

Three Chinese astronauts have landed back on Earth after six months on China’s space station. The crew’s landing module came ...

The fish would grow in tanks filled with water extracted from ice found at the Moon’s poles, regions permanently shielded ...

McClain, an Army colonel and helicopter pilot, should have taken part in the first all-female spacewalk in 2019, but there ...