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

Study finds Mars helps pace Earth's ice ages through gravity. Remove Mars, and a major 2.4-million-year climate rhythm ...

New calculations reported by Live Science indicate Jupiter was once much larger and is still contracting as it cools, offering constraints on early solar system conditions.

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

A new study is skeptical that life could still be present on Jupiter's moon Europa, where a NASA spacecraft launched in ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

After modeling Europa's conditions, the researchers concluded that its rocky seafloor is likely mechanically too strong to ...

Jupiter's moon Europa is on the short list of places in our solar system seen as promising in the search for life beyond ...

Three supermoons will lighten up the night skies in 2026, the stunning result when a full moon inches closer to Earth than usual as it orbits in a not-quite-perfect circle. Appearing bigger and ...

Tonight, a brilliant near-full moon rises in the east with Regulus, the heart of Leo, just ahead. Don’t miss this striking ...

Bright full moons, dazzling meteor shower displays and remarkable total eclipses will give stargazers plenty of reasons to ...