Was it a cosmic jellyfish, a fleeting light trick, or something more outlandish? When NASA astronaut Nichole Ayers took a ...

Tissue samples sent to the International Space Station reveal what can happen to astronauts on long-term missions.

U.S. astronaut Nichole "Vapor" Ayers captured a spectacular view of a phenomenon known as a "sprite" blazing to life above an ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

Buried in the sweeping legislation is an $85 million provision to move NASA's most-flown spacecraft from the national ...

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per ...

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

The first-ever meal eaten in space comprised beef and liver paste squeezed through a tube. Next year, ISS astronauts will be ...

NASA astronaut Don Pettit captured SpaceX Starlink satellites swarming in the distance in an amazing time-lapse captured from ...

Astronauts carry more than just science tools to space. From Baby Yoda to homemade dinosaurs, these toys bring joy and ...

“The current banking and credit card system redistributes wealth upward, with the middle- and working-class subsidizing ...