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

Astronomers have discovered a planet beyond the solar system that orbits its twin parent stars closer than any ever seen ...

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 ...

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

They’re bright and blue — and a bit strange. They’re a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech).

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 ...

San Diego State University (SDSU) astronomers have discovered the 10th known “transiting circumbinary” exoplanet, which orbits two stars and therefore has two suns. Astronomers at the 29th ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

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Satellites reflect sunlight down to Earth, and some do so with such intensity it risks obscuring astronomers’ observations from ground-based telescopes. A paper in Nature suggests that the ...