In photos The details in this photograph include the airglow of the atmosphere dividing Earth from space — yellow-green at an altitude of 75 miles and a faint reddish hue 250 miles above the ...

Tsuchinshan-ATLAS was that rare type of comet that arrived with fanfare and lived up to the hype, serving up naked-eye views ...

Watch how Comet C/2024 S1 (ATLAS) met its demise after traveling close to the sun. Imagers aboard the Solar and Heliospheric ...

Comet SWAN, hailing from the Oort Cloud beyond Pluto, may not have survived its recent trip past the sun and is fading fast.

NEW YORK (AP) — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked-eye spectacle.

The Great Comet of 2025 was discovered by the Asteroid Terrestrial Impact Last Alert System (ATLAS) as it sped ­towards the inner solar system. One woman was ready to capture this rare event.

The object, also known as Comet C/2024 S1 (ATLAS), was discovered on September 27 and quickly earned its nickname following speculation that it might be visible in the night sky near the end of ...

NEW YORK (AP) — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked-eye spectacle. Comet SWAN, hailing from the Oort ...

Comet SWAN, a newly discovered green comet from the Oort Cloud, has likely disintegrated after its recent solar passage, diminishing hopes for naked-eye visibility. Discovered by amateur ...