Untangling the Sun’s messy and mysterious patterns may be a computer’s job someday, but the technology isn't quite there yet.

A recent solar flare has prompted a geomagnetic storm watch and could produce aurorae this weekend. Here's how to see them if ...

This faint southern constellation contains a smattering of galaxies — and one standout globular cluster — to explore.

The terminator sweeps across the Moon, Comet Tsuchinshan-ATLAS continues to wow, and Jupiter reaches a stationary point in ...

Scientists discovered that Barnard’s Star wobbles a full 20 inches (50 cm) per second — five times Earth’s effect on the Sun ...

Venus shines bright after sunset, the giant planets rise before midnight, and Mars shines before dawn. Plus, catch Comet ...

Sharpen your eye and build your knowledge of clusters, nebulae, galaxies, and more with this list of popular objects for ...

Although beset by launch delays, the project — which aims to rival SpaceX's Falcon 9 — is moving steadily toward launch.

NASA researchers have uncovered how plumes of material spout every spring across the Red Planet’s surface as ice is warmed ...

Photographers around the world are capturing stunning views of C/2023 A3 (Tsuchinshan-ATLAS), the best comet this year.

Comet Tsuchinshan-ATLAS reaches perihelion, Venus is a bright evening star, and the New Moon passes in front of the Sun in ...

Although still difficult to see, 2024's best comet is nearing the Sun and getting brighter. Here's how to see it.