Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

From Voyager 1’s record-breaking journey into interstellar space to Uranus’s sideways spin creating decades-long seasons, the ...

February brings several special events, including a rare "occultation," and a planetary parade of six planets.

Four of the planets, which are Mercury, Venus, Jupiter and Saturn, are bright enough to be spotted with the naked eye in ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

The giant planet Jupiter is back in our evening sky this week. Fresh from its opposition with the sun on Jan. 10, it now lies as close to the Earth as it ...