The interstellar comet 3I/ATLAS is just a day away from perihelion, which is its closest point to the sun and the time around which it is expected to be most active. Although 3I/ATLAS is currently ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A comet nicknamed ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic neighborhood yet. The comet, ...

On Sept. 30, 2016, the European Space Agency's Rosetta spacecraft purposely crashed into a comet. Rosetta launched in 2004 and spent 10 years chasing down Comet 67P, a rubber-duck-shaped space rock ...

Scientists found the Tsuchinshan–ATLAS comet in 2023. Now, it’s here and visible in our sky, even from Chicago. The comet won’t be visible for much longer, so now’s your chance to catch this once in a ...

A rare interstellar object was hurtling toward the sun and, despite viral claims, experts say it's just a normal comet, although it's showing some unexpected behavior. 3I/Atlas marks the third ...

(AP) - A recently discovered comet that some stargazers had hoped to see during Halloween week has disintegrated before the day of ghosts and ghouls. NASA confirmed Tuesday its sun-observing ...

It’s doing a Sun run. Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest approach to the Sun on October 30. While ATLAS doesn’t ...

An ancient comet discovered in our solar system this summer is offering a rare opportunity to learn more about distant planetary systems far beyond the reach of any spacecraft, researchers say. The ...

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