Comet 3I/ATLAS was bursting to fly into space in December 2025, upon hitting its close flyby, of the sun, leading to it becoming very bright. Even the water ice was swiftly changing into gas in the ...

Two research papers propose extreme gravitational slingshot trajectories that could fling a spacecraft onto a path to catch up with 3I/ATLAS, which NASA and the European Space Agency describe as an ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening dramatically and rapidly as it did so. The reason for the sudden extreme activity ...

A rare interstellar comet reaches its closest point to the sun on Wednesday and Thursday — and it's exciting astronomers around the world. Comet 3I/ATLAS is just the third confirmed interstellar ...

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Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Depending on how bright it gets, the question remains: Can people in India spot it?

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

The two green comets continue to shine brightly in twilight each evening for lucky skywatchers with binoculars in the Northern Hemisphere. For observers on Friday, Oct. 24, the bright Comet Lemmon ...