The Moon passes 5° north of Jupiter at 9 A.M. EDT. Just six percent illuminated by this evening, you can try to spot the ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

A study published in Nature Astronomy posits that Jupiter was significantly larger earlier in its history and its more ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...

Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became known as the Galilean moons of Jupiter.

Play the USA TODAY Daily Crossword Puzzle. Jan. 15 – Mars at opposition ... The four largest Galilean Moons are easy to spot through a backyard telescope. You will notice how the moons change ...

JUPITER is set to peak in brightness tonight, and will be visible all night as its orbit turns to align with Earth. It won't be shine this bright until next December. The planet, the fifth in our ...

Jupiter's four best-known moons are the Galilean moons, discovered by Galileo Galilei in 1610. They are named Ganymede, Callisto, Io and Europa, after figures in Greek mythology associated with ...

ISS then moves to the southeast where it slips into the Earth’s shadow 15 degrees above the horizon at 9:37 p.m. Monday: The Galilean moons are a good target with binoculars or a telescope.