We are in Germany and it's winter, so we can confidently assume that it is cold, with possible snow covering the fields and ...

The simplest hypothesis is that 3I/ATLAS is a comet,” Avi Loeb allows, “but let us instead maintain our childhood curiosity and seek evidence.” It has been amply rewarded in recent weeks, as a ...

The direction, distance and motion of the comet through the sky during its closest approach could have made it seem like it was hovering over Bethlehem when Jesus was said to have been born.

Comet 3I/ATLAS represents just the third object in history to be known to have entered our solar system from outside.

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

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.

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This is normal behavior for comets, an expert told Live Science. When you ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was truly out of this world, revealing clues to the object’s composition.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A green comet continues to shine brightly after sunset for ...