Oceans on Europa, one of Jupiter’s 67 known moons, might have a lot in common with our own oceans, including a chemical balance capable of harboring life, according to a new study released by NASA on Tuesday.

Stunned scientists announce the unexpected discovery of large quantities of oxygen on a comet which streaked past the Sun in August with a European spacecraft in tow.

Venus, Jupiter and Mars to be seen together in the sky this week, in a rare grouping of the three planets.

According to a new study, our system was once home to a fifth gas giant that suddenly vanished some 4 billion years ago after a run-in with Neptune.

A planet 100 light-years away resembles an infant version of Jupiter, astronomers say.

On Tuesday night, Jupiter and Venus will culminate a month-long dance with what astronomers say will be a dazzling display, appearing just a fraction of a degree apart from one another in the night sky--a show that some astronomers say could account for the "Star of Bethlehem" mentioned in the Bible reports CNN.