The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on May 27.

Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Some of the moons he's discovered around Jupiter are about that size — a person could walk across them in around twelve minutes. From Earth, these little moons look like flecks of light.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

The icy surface of Jupiter 's moon Europa appears to be constantly changing, new data from the James Webb Space Telescope has revealed. This phenomena, the team explained, is heightened in so-called ...

Head’s up, skywatchers: Wednesday, June 25, is the new moon in Cancer, and according to astrologers, this month’s new phase ...

Jupiter moon of Io is famed for its volcanoes. NASA just spotted the most powerful one yet Not only was the hot spot larger than Earth’s Lake Superior, but it also was seen belching out ...

Here's what June's new moon in Cancer means for your zodiac sign, according to celebrity astrologer Kyle Thomas' PEOPLE ...

Each of Jupiter's other 91 official moons has a diameter greater than 0.6 mile (1 kilometer) — but only 57 have names, and just eight have regular, nearly round orbits.

Jupiter’s largest moon, Ganymede, is even bigger than the planet Mercury. In myth, he was the most handsome young man on earth, and Jupiter abducted Ganymede to Mount Olympus to serve as his cup ...

Jupiter is a huge planet with a ridiculous number of moons. And now, thanks to new research, that number just became even more ridiculous. Scientists have discovered 10 never-before-seen moons of ...