This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

BOSTON - It isn't often that we get the chance to see a comet with the naked eye. But, in a year already filled with so many astronomical treats, it looks like we will be able to add a comet to ...

Update as of February 2025 When Comet G3 reached perihelion, comet watchers observed a sharp increase in brightness as the ...

they "heat up and spew gases and dust into a glowing head" to form the characteristic tail that can span millions of miles, per the government agency. Related: A Rare Green Comet Is Passing by ...

Beautifully captured against a starry sky, Comet C/2024 G3 (ATLAS) — dubbed by some as the "Great Comet of 2025" — shines ...

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

The comet's head — surrounded by a cloud of gas and dust from the sun vaporizing its ice — is a "pleasing blue-green color," King added. Read next ...

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

It's been seven years since the original Stardust danced with Wild 2 out beyond the orbit of Mars, capturing a thimbleful of comet dust in its collector. It's been five years since the craft ...

Then, when the dust finally settled ... that it was blasted into Earth by a 10-kilometer-wide asteroid or comet traveling 30 kilometers per second -- 150 times faster than a jet airliner.

The comet was beautifully captured by César Briceño ... Twin tails are seen emerging from the nucleus. A dust trail made up of heavier dust particles that are lit by reflected sunlight makes ...