A new study suggests that the planet’s icy interior and liquid ocean could be insulated with a three-to-six-mile-thick layer ...

Book your visit at <a href=" taking a journey through space, jumping on each planet in our Solar System. On which planets ...

A reassessment of data from NASA's Voyager 2 has revealed that Uranus' moon Miranda may contain a subsurface ocean, ...

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

The icy shell of Titan, Saturn's largest moon, may possibly contain a six-mile ... Titan is a moon, but it is more similar to ...

Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India ...

Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.

The farthest spacecraft in the universe went momentarily rogue, but scientists breathed a sigh of relief when it reconnected ...

NASA's Voyager 2 helped shape scientists' understanding of Uranus but also introduced unexplained oddities. A recent data ...

If you didn't know, Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. Let's explain ...

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...