Nearly one third of known exoplanets are enormous gas giants, similar to Jupiter or Saturn. But whereas our solar system ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...

eventually planning to "map deep water clouds using the Hubble data to define 3D cloud structures in Jupiter’s atmosphere," ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

Jupiter, the gas giant, hides mysteries beneath its colorful bands that have intrigued scientists for centuries. A recent discovery, stemming from a technique accessible to amateurs, challenges our ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...