For decades, astronomers have debated the mystery at the heart of Jupiter, the largest planet in our solar system. Many believed that a colossal collision with an early planetary body must have ...

The Saturn System has been studied in detail by the Cassini-Huygens Mission. A major thrust of those investigations has been to understand how Saturn formed and evolved and to place Saturn in the ...

Saturn gets close to the moon tonight, and skywatchers in Florida, northwestern South America, the Caribbean and Central America will see the ringed planet briefly disappear behind our lunar companion ...