First planet of its kind with ‘gargantuan’ comet-like tail discovered - Planet’s ‘tail’ is millions of miles long, ...

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 ...

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.

A newly discovered comet has been spotted in the night sky. Comet C/2025 F2 (SWAN) is currently visible in binoculars and is expected to reach its brightest on May 1, 2025. Comet SWAN25F ...

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 ...

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 ...