On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

The new moon tonight turns the sky into a natural observatory, stripping away glare and letting Jupiter, Saturn and the ...

After modeling Europa's conditions, the researchers concluded that its rocky seafloor is likely mechanically too strong to ...

Jupiter steals the spotlight in January as it reaches its brightest and biggest appearance of the year. The month also ...

Since this past September, Saturn’s been the best planet to enjoy through even a small telescope, even though its ring system ...

After passing Earth, interstellar comet 3I/ATLAS will fly close to Jupiter and its moon Eupheme in March 2026, marking a key moment in its outbound journey ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Jupiter reaches opposition, making it brighter and larger than at any other time this year. A rare transit of its moon ...

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.