Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

Watch the moon phases and libration for 2024, as seen from Earth's Southern Hemisphere, in this time-lapsed animation that is set at hourly intervals. Video credit: NASA's Scientific Visualization Stu ...

Until now, atoms have never been imaged interacting freely in space, but a new technique known as non-resolved microscopy has ...

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