The interstellar comet 3I/ATLAS initially confirmed Einstein's theory of general relativity before exhibiting unexplained behaviors and deviating from its predicted path.

Honoring the 2025 PGA National Award winners, from Scott Paris's mentorship legacy to Kammy Maxfeldt's courageous battle.

Astronomers have discovered a fascinating new object orbiting a small red star not far from Earth — a brown dwarf with powerful storms and cloudy weather patterns. The discovery, made with the help of ...