The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

As November begins, two of the solar system's rocky planets form a nice pair low in the western sky during twilight. They add a sparkle to our view of the constellation Scorpius the Scorpion as it ...

November is the time of year when Jupiter gets big and bright at night, but sky watchers can also catch more sparkles via the Taurids and Leonids meteor showers. Amid the shine and space glitter, the ...

NASA’s James Webb Space Telescope has now captured the first direct look at material within a disk encircling a massive ...

Almost everyone knows that Jupiter has more moons than it probably knows what to do with—Ninety-five and counting as of the last estimates. But if you ask most folks, they'll only be able to call out ...

From "How to Train Your Dragon" to the Holst of his generation — this composer's grand tribute to four of the solar system's greatest wonders is ready to be heard. When you purchase through links on ...

NASA’s Europa Clipper spacecraft launched at 12:06 p.m. Monday, beginning a nearly six-year, 1.8-billion-mile voyage to Jupiter, where it will study the frozen moon Europa, scanning below its ...

The quest to understand the chemical makeup of distant celestial bodies is gaining momentum thanks to the advanced capabilities of NASA’s James Webb Space Telescope (JWST). A recent study, submitted ...