When NASA’s James Webb Space Telescope turned toward interstellar comet 3I/ATLAS in August 2025, astronomers were looking for ...

Astronomers say 3I/ATLAS is so unusual that it is forcing a rethink of probability distributions used to model interstellar object properties.

Comet 3I/ATLAS appears to be normal and intact, despite some reports that the interstellar visitor exploded after its brush with the sun. When you purchase through links on our site, we may earn an ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

This comet had its sunscreen on. Recent photos reveal that 3I/ATLAS did not disintegrate during its recent fly-by of the sun, leading Harvard scientist Loeb to double down on suggesting that it could ...

The Star of Bethlehem has been one of the most interesting celestial mysteries in history for hundreds of years. To those who ...

New study finds interstellar comet 3I/ATLAS exhibits typical comet behavior, with non-gravitational acceleration from outgassing, measured by NASA and ESA spacecraft, confirming it is not artificial.

A Harvard University professor has said 3I/ATLAS, a comet shrouded in controversy, experienced a sudden "nongravitational" acceleration while passing around the sun, which he believes adds to other ...