In a study published in The Astrophysical Journal Letters, researchers discussed some first-of-its-kind features observed in ...

NASA launched a bold mission: crash a spacecraft into a comet using the force of 5 tons of TNT. The result wasn’t destruction ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a new comet ...

Evidence pointed to the catastrophic failure of the fuselage. The final clue, revealing the weakness in the Comet’s structure, turned up on June 24 in the tank at Farnborough, where the immersed ...

An award-winning reporter writing about stargazing and the night sky. A newly discovered comet has been spotted in the night sky. Comet C/2025 F2 (SWAN) is currently visible in binoculars and is ...

The comet was first spotted by an amateur astronomer looking through SOHO spacecraft data. The newly discovered comet is already putting on a show for amateur astronomers with telescopes at the ready.

NEW YORK — 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 Cloud ...

NEW YORK — 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 Cloud ...

A Green Comet Likely Is Breaking Apart and Won't Be Visible to the Naked Eye NEW YORK (AP) — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun ...