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.

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...

Astronomers have uncovered clues to a red giant’s chaotic past by detecting subtle stellar vibrations that hint at a long-ago collision and an unexpectedly rapid spin. Astronomers at the (IfA) have pi ...

Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in direct exoplanet imaging. The planet, known as HD 143811 AB b, is the closest-in world ever ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

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

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

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

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