Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what ...

The best “planet parade” of the year puts Venus, Jupiter, and more on display right after sunset—and you can see most of them ...

Scientists have discovered that Saturn's moon Enceladus creates a massive electromagnetic wake, revealing its major influence ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

A massive upheaval in the Saturnian system could have also led to the moon Hyperion.

Six planets—including Venus, Jupiter, and Mercury—will line up in the sky. Here’s the best time to watch and where to find ...

A rare planetary alignment will grace the skies over Telangana this month, peaking on February 28. Mercury, Venus, Saturn, ...

A moon can sit next door to another and still feel like a different world. Around Jupiter, that contrast shows up fast.

Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.

At just 500 kilometers across, Saturn's sixth-largest moon would fit comfortably inside the United Kingdom, with room to spare.

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.