What methods can be used to identify subsurface oceans on the five largest moons of Uranus: Ariel, Umbriel, Titania and ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Learn more about WASP-121b, the exoplanet so hot it could vaporize iron.

EARTH is set to have three unexpectedly shorter than average days in the coming weeks – and it’s taken scientists by surprise ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

Capture the cosmos with the best astronomy cameras for dedicated nebula or galaxy shots. Now is the time to watch for Amazon ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship. But how can that be? If Jupiter doesn ...