Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes.

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Interstellar comet 3I/ATLAS, known for its unusual trajectory and viral online buzz, will be streamed live tonight by The ...

Six planets will be visible in the sky tonight, forming an astronomical alignment known as a "planetary parade," and you can watch it live online. Mars, Jupiter, Uranus, Neptune, Saturn and Venus all ...

A total solar eclipse professionally photographed in August 2017. Credit: Jonathan Newton / The Washington Post via Getty Images In 2024, a rare total solar eclipse will pass over the U.S., Canada, ...

WorldWide Telescope is Microsoft's answer to Google Sky, the online virtual telescope the search giant unveiled last year. Powered by a mix of software and Web 2.0 services created with Microsoft's ...

One of the year's most dazzling sky shows is about to peak as the annual Perseid meteor shower lights up the night — and you can enjoy the event live online. The Perseid meteor shower is expected to ...

Scientists imaged the heart of the OJ 287 galaxy, uncovering a curved plasma jet around what appears to be two merging supermassive black holes. The structure reveals unimaginable energy levels and ...