I Don’t Think Jupiter Will Ever Catch Up

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...
Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...
Saturn has seized the title of moon king. Astronomers have just discovered as many as 128 new moons orbiting Saturn. This ...
Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...
Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.
Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after discovering 128 more ...
The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.