A newly discovered comet is about to make its closest pass to Earth on Tuesday night. It should be visible over the Bay Area ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

Though it won't become any brighter, Comet SWAN will reach its closest point to Earth on Oct. 20, coming within 24 million miles. It is visible in the western sky after sunset, but binoculars or a ...

Keep an eye on the night sky in October—you might catch a falling star! The Orionid meteor shower reaches its peak on the ...

For those of you who like interesting night sky phenomena, there are actually two comets that are visible right now. Comet ...

Comet Lemmon is being called the 'best and brightest' comet of the year with its distict green color, and it's not the only comet that will be visible.

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail ...

A 2017 astronaut photo shows the islands of Dek and Daga lurking in the murky, algae-infested waters of Ethiopia's Lake Tana.

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

Several bats glow bright green under ultraviolet light. The glow could reveal clues about evolution in these mysterious night ...