Insulation provided by carbon dioxide ice above the martian polar caps could explain many of the Red Planet’s ancient river features.

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

November’s major meteor shower ramps up as the Moon reaches perigee shortly before its Full phase in the sky this week.

Sixth test flight of the largest rocket to ever fly will feature another attempt at catching the Super Heavy booster and ...

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

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 ...

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

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

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." ...

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