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

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

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

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 pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

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

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...

Though it won't become any brighter, Comet SWAN will reach its closest point to Earth on Oct. 20, coming within 24 million ...

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

The silver-grey rock contains a hidden story. Somewhere in the early summer of 2025, China’s Chang’e6 capsule landed on the ...

This is what’s known as the "Purple Earth Hypothesis", an idea first proposed by Professor Shiladitya DasSarma, molecular ...