A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

A newly discovered comet is fascinating astronomers and amateur stargazers alike as it remains a brightening feature in the northeast night sky.

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 glowing green comet discovered last month likely did not survive its recent trip past the sun, leaving it impossible to see with the naked eye. Comet C/2025 F2, also known as Comet SWAN ...

The comet, also designated C/2025 F2, would have been visible just after dark slightly north of where the sun set. Its green color would have been difficult to see with the naked eye.