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 ...

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

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

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

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

Most CubeSats weigh less than a bowling ball, but the impact these instruments are having on space exploration is gigantic.

For a short time, dear Luna has a friend. The asteroid 2024 PT5 spans just 33 feet (10 meters) and won’t even orbit Earth ...

On October 2, an annular solar eclipse will wash over one of Earth’s most exotic locales. Astronomy Editor David Eicher will ...

Are you looking for a real observing challenge? Comet C/2023 A3 (Tsuchinshan-ATLAS) is shaping up to be the best comet of the year, but it’s still low in the early-morning sky for Northern ...