Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

This is what would happen if planets replaced the moon. Venus is almost the same size as earth. It would make the earth ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in ...

Saturn and the moon will appear close together in Nevada skies. Here’s how and where to spot the pairing, known as a ...

A distinctive curved marking etched into the Moon’s surface comes into sharp relief this week as winter darkness, crisp air ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

"Stars like the sun don’t just stop shining for no reason." ...