Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are skeptical.

This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

Discover why the risk of being hit by space debris is minimal, despite daily incidents of space junk falling to Earth, and ...

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

Butch Wilmore was one of two astronauts rescued from the International Space Station, where he spent nine months after the ...

NASA astronauts Sunita Williams, and Barry 'Butch' Wilmore returned to Earth after spending over 9 months in microgravity.

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

The countdown is on for an all-female crew, headlined by singer Katy Perry, to blast off to space on a Blue Origin rocket.

O n Monday, SpaceX made space history, as four astronauts were launched into a pole-to-pole orbit not traveled by any human before them. But judging by the reports of one of the private astronauts, ...

Our newly minted Astronomical Program involves sending a student-developed experiment to the International Space Station.

An interview on economics and Catholic social teaching with Joseph E. Stiglitz, a Nobel Prize winning economist and a ...

The Wilmore family's emotional reunion highlights the difficulties of readjusting to Earth's gravity, with Barry working hard to regain strength and health. NASA astronaut Barry Wilmore's wife ...