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

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...

Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

The data used to create the image is from a Hubble Space Telescope project to capture and map Jupiter's superstorm system.

these moon rings were stable — particularly Jupiter’s Iapetus. Even Earth's moon had a 95% chance of supporting a stable ring system in the simulations. "[W]e did not anticipate that moons in ...

However, a pair of high-powered binoculars will allow you to see Jupiter’s moons and possibly its cloud bands. Jupiter will be visible for most of the night: It rises in the mid to late ...

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

The Galileo probe expanded on our knowledge of Jupiter's moon, Io, showing us just how hot and hellish the Jovian satellite could be.

A very rare parade of planets is happening right now. Here are the planets that will be visible tonight and where to look for ...