In February 2025, conditions were just right to catch a "planetary party" above the European Southern Observatory's (ESO) ...

G3 (ATLAS), the 'Great Comet of 2025,' lit up the night sky in Chile, offering a rare and breathtaking sight for stargazers, with its bright tails and glowing coma.

The comet was beautifully captured by César Briceño ... James Webb telescope shocks scientists with image of ancient galaxy roaring back to life —Dry ice 'geysers' erupt on Mars as spring ...

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

Residents in Tampa Bay were confounded after seeing what seemed to be an explosion in the sky around Thursday’s sunset.

American astronomy thrives today largely because of the underpinnings achieved by John Quincy Adams in his far-reaching ...

Nesvorny told Newsweek: "For me, the most interesting thing about this is that the Oort spiral is the boundary between the Solar System and the Galaxy. "It is where the ... to the human eye in the ...

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Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Occasionally, some wayward gravitational perturbation will knock one of them a weird way and create a long-period comet, which might ... of these icy rocks—the galaxy itself.