NASA plans to send crewed missions to Mars over the next decade, but the journey to the red planet could take several months ...

Europe’s first planetary defense mission — a follow-up to NASA’s Double Asteroid Redirection Test — will launch as early as ...

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

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.

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

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

The “ring of fire” eclipse of 2024 was a spectacular celestial event — and Dave Eicher saw it from an equally spectacular ...

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

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

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

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