A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic ...

A new study reanalyzing 14 years of Hubble data weakens evidence for water vapor plumes on Europa, though scientists say the ...

Ganymede, the solar system's largest moon, uniquely generates its own magnetic field. New research suggests its still-forming ...

The moon dances with the king of the planets, with the horizon as their stage. When you purchase through links on our site, ...

Looking for a sky event this week? Check out our full Sky This Week column. May 21: Check in on Saturn and Mars Tonight we're ...

Venus and Jupiter are the top evening features for your observing run after sunset in May. Jupiter also hosts a handful of exciting double transits - and double shadow transits - involving Europa and ...

Sky This Week is brought to you in part by Celestron. Friday, May 15Are you familiar with the constellation Crater the Cup?

The two planets, being the two brightest planets in view from Earth, will also be joined by Mercury.

On May 20, witness the waxing crescent moon align with bright Jupiter after sunset, creating a stunning celestial display ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. The Callisto Protocol is a gruesome new survival horror game ...

Io, the most volcanic body in the solar system, transits its parent planet Jupiter this evening, beginning just before midnight EDT tonight. Its shadow follows, offering an intriguing sight for ...

On Wednesday, May 20, skywatchers looking west after dusk will be able to spot the crescent Moon glowing beside Jupiter for ...