Visitors to the Sunwheel can see the sun rising and setting over the winter solstice stones from approximately Dec. 16 ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Leading ...

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

Astronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Research records wind blasting out at 19% speed of light as X-ray burst from supermassive black hole rapidly igniting ...

Maria Mitchell, the first widely recognized American woman scientist, gained international acclaim after discovering a comet in 1847. As Vassar College’s first astronomy professor, she advanced ...

Astronomers are uncovering vast, wheel-shaped structures in the cosmos that challenge long-held ideas about how galaxies grow and evolve. From a nearby spiral that unfurls like a cosmic pinwheel to a ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...