This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

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 ...

According to scientists, this ambipolar electric field is thought to be just as crucial to Earth as both gravity and ...

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

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

For over half a century, scientists suspected a quiet but powerful electric field might be influencing Earth’s upper ...

Williams, who once sparked health concerns with her apparent weight loss, even said she had been able to start running after just days in Earth's gravity. Speaking at a press conference ...

Nearly two weeks after returning from a nine-month stay in space, NASA astronauts Butch Wilmore and Suni Williams are ...

NASA astronaut Barry “Butch” Wilmore’s daughter Daryn Wilmore shared an update on how her father has been adjusting to Earth ...

We know more about the Moon’s surface than Earth’s ocean floor — but that’s changing fast. A NASA-supported team used a ...