Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

A young world drifting alone through space is putting on one of the most violent growth spurts astronomers have ever seen, gulping down roughly six billion tons of gas and dust every second. The ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The “planet parade” — mistakenly being called an alignment ...

In theory, a planet may be able to orbit a binary star system in a figure of eight, but it may not be particularly stable, ...

Do you know which planet could float in a giant bathtub? Discover the science behind its low density, its hundreds of moons, ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it. Some astronomers ...