The moment Austrian astrophotographer Michael Jäger unveiled his latest image of 3I/ATLAS on Nov. 28, 2025, the existing puzzle surrounding this interstellar traveller became a bona fide mystery.
In July 2025, astronomers spotted a strange object from deep space that is now flying through our solar system. Called ...
Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.
An interstellar object named 3I/ATLAS, confirmed to be a comet, is passing through Earth's solar system. The comet poses no threat to Earth and will make its closest approach to our planet on Dec. 19.