Interstellar comet 3I/ATLAS will make its closest approach to Earth early on Friday, Dec. 19. While it won't come close ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

The lunar surface is rugged. Deep craters are scattered everywhere, and these craters connect to lava tubes. Lava tubes are ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

That not only makes this the first confirmed runaway supermassive black hole, but this object is also one of the ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

Night sky update for December 17, 2025, covering the moon phase, visible planets, meteor showers, and key space and astronomy news from today ...

The latest science news and investigations across archaeology, space, biology, and astronomy.

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ...