Every constellation has something within its borders worth tracking down, if you just look hard enough. Here are five to ...

This list of commonly confused terms in astronomy will help you better understand the cosmos and the common phenomena we see ...

As the ISS ages and is eventually decommissioned, private companies may operate the orbital platforms of the future.

A six-mile-thick crust of methane trapped in water ice could explain many of the saturnian moon's weird properties ...

A third, tenuously held companion to the known binary V404 Cygni may signal that at least some black holes form "gently." ...

Rainbows may be a trick of the eye, but they’re also based in fascinating optical physics. Here's how they work and why we ...

Moving across the constellation Ophiuchus in the evening sky, Comet C/2023 A3 Tsuchinshan-ATLAS continues to fade as it moves farther away from Earth and the Sun. The comet now glows at 6th ...

NASA has identified nine locations near the Moon’s south pole for the first crewed lunar landing since Apollo 17.

Computerized telescope mounts and plate-solving software make it easy to return to the same celestial location every night.