Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to ...

Jupiter, the fifth planet in our solar system and by far most massive, is a treasure trove of scientific discovery. Last year a pair of studies found that the planet’s iconic Great Red Spot is 40 ...

Saturn has just pulled far ahead in the solar system’s moon race, with a fresh wave of detections pushing its tally to 274 ...

A team of astrophysicists looking at data from the Cassini spacecraft’s tour of Saturn have estimated a new size for the planet’s core. Studying gravitational effects on the icy rings, the team ...

Saturn is home to several solar system mysteries. Using data from Cassini, astronomers now suggest a simple answer to a few questions – a lost moon once orbited the planet before being torn to shreds.

LIVERMORE, Calif. – Using an infrared spectrometer on the Cassini-Huygens Spacecraft, researchers have measured the temperature, winds and chemical composition of Saturn, its rings and one of its ...

Saturn, the sixth planet from the Sun – The Ringed Planet. Curious, young sky watchers often ask, “What’s the planet with the rings?” These rings are Saturn's identity, and those very rings that ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.