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

Smooth filaments stretching for many light-years, seen by the powerful space telescope, could indicate what the right "recipe ...

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 ...

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

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

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 ...

For around a year now, the Sidewalk Astronomers have been meeting regularly in D.C. to show people that gazing at the stars ...

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 ...