While telescopes and the Voyager 2 flyby gave us glimpses of its atmosphere and unusual tilt, many questions remain ...

With the aid of NASA's exoplanet-hunter TESS, citizen scientists have discovered a new gas giant that is cool, literally and figuratively.

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