When the first known object from another star system swept through our cosmic backyard, it did not behave the way any ...

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

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

Pediatric strokes are very rare which makes them difficult to study, according to Dr. Jules Constantinou, Henry Ford Health’s ...

South Africans have one last chance this year to catch a supermoon when the December full moon, known as the Cold Moon, reaches peak brightness on 4 December after sunset, reports Cape {town} Etc.

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

Bright stars and a lone bright planet are visible at dusk as December begins. The Summer Triangle of Vega, Altair and Deneb is well up in the west and getting lower as the month progresses; Saturn ...

The winter solstice varies by year, between Dec. 20 and Dec. 23. It marks the shortest day and longest night in the Northern ...

Amateur astronomer Tony Dunn must have been particularly impressed by the November crop of new asteroids to have put the 18 ...

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

Students in a joint UT Austin and UTSA astronomy course say they have zeroed in on an unexpectedly massive black hole parked ...