The Universe is the stage for titanic collisions between massive objects, generating waves that propagate through the fabric of space-time. The detection of these gravitational waves has ushered in ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

All 88 internationally recognised constellations have European origins. But First Nations astronomy tells older, beautiful ...

The Full moon, the Yule Moon, is on December 4. This is a supermoon, the second largest of 2025. The next evening, the moon ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a sprawling helium cloud known as an exosphere. This exosphere stretches ...

The Geminids peak Dec. 13, producing up to 120 meteors per hour visible from 8 p.m. until sunrise. Plus, a recap of ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

An international team including astronomers from the University of Geneva (UNIGE) and the National Center of Competence in ...

The satellite is operated and run by Blue Skies Space, a U.K.-space science data company and was launched aboard SpaceX’s ...

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's ...