Physicists at the University of Colorado Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies of its kind. The ...

Satellites and rocket stages burning up on reentry are now depositing more aluminum into Earth’s upper atmosphere than natural meteoroids, crossing a threshold that atmospheric scientists have warned ...

Bright streaks on a small asteroid moon looked, at first, like a camera problem. They were faint, fan-shaped, and easy to ...

A new study has found that an asteroid NASA used for target practice a few years ago was nudged into a slightly different ...

NASA has concluded that asteroid 2024 YR4, the space rock that briefly alarmed planetary scientists after its discovery in ...

An asteroid, previously used by NASA for a planetary defence test, has been successfully shifted onto a slightly altered path around the sun, scientists reported on Friday. This landmark achievement ...

It's the first time a celestial body's orbit around the sun was deliberately changed. The asteroid that NASA's Dart ...

Surprise, surprise: all that climate stuff scientists have been warning us about is coming back to bite us. And by us, of course, we mean all of humanity. “Research shows that several Earth system ...

Researchers were once unsure whether mantle earthquakes existed. Now they have a global map of this mysterious phenomenon. When you purchase through links on our site, we may earn an affiliate ...