The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ever will. The impending cosmic rendezvous – if you want to call it ...

A newly discovered visitor from the outer solar system is racing toward the inner planets, and astronomers say it could put on one of the brightest comet displays in years this April. The object, ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels through Earth’s solar system. Comet 3I/ATLAS was first observed on July 1 and ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of Earth and poses no danger. Scientists are studying the object ...

Comet C/2025 R3 (PanSTARRS) is brightening in the night sky in April. Here's when and how to see the buzzworthy celestial show.

Comet C/2025 R3 PanSTARRS is brightening and could be visible before sunrise in April. Here’s when and where Californians can ...