WASHINGTON (Reuters) -NASA has tapped startup Katalyst to save a $500 million orbiting observatory from falling into Earth's atmosphere by launching a spacecraft meant to push it farther in space, a ...

Our planet is surrounded by a halo of ultraviolet light invisible to the naked eye, a celestial phenomenon that scientists have been trying to understand for over half a century. This enigmatic glow, ...

Add Yahoo as a preferred source to see more of our stories on Google. Two more of NASA's space telescopes recently got another look at comet 3I/ATLAS, a captivating interstellar interloper that first ...

Commercial satellites in orbit, which are largely owned by Elon Musk's SpaceX, are blocking images of the cosmos taken from both the ground and in space. A study released by Nature earlier this month ...

Pew pew pew.

Behold the golden-orange horizon over Kitt Peak National Observatory, a fiery twilight moment where day bows out and the stars prepare their grand entrance. Captured by NOIRLab, this sunset reveals ...

John Ventre holds up a slice of a partially translucent meteorite from his collection at the Cincinnati Observatory. Space is dirty. Filthy. It's littered with asteroids, and rocks, and dust. Some of ...

To test the James Webb Space Telescope's readiness for its journey in space, technicians successfully commanded it to deploy and extend a critical part of the observatory known as the Deployable Tower ...

In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, ...