From planets that rain diamonds to moons with hidden oceans, the Solar System holds more mysteries than most realize. These ...

Think you’ve heard it all about our cosmic neighborhood? From diamond rain to exploding moons, these 10 new facts prove the ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, ...

Quick facts about the sun How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun ...

Jupiter is by far the largest planet in our solar system. The huge ball of hydrogen and helium circling the sun is about 88,000 miles wide, meaning more than 1,300 Earths could fit inside it.

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

From the center of the solar system, rages a powerful wind. Sent by the Sun, this wind whips at speeds exceeding one million miles per hour as it traverses to the edge of interstellar space ...

Eleven objects found at the extremities of the solar system could mark the location of a 'Kuiper Belt 2.' When you purchase through links on our site, we may earn an affiliate commission.

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

A new study by experts from Nasa and the University of Oxford suggests that Uranus gives out more heat than it receives from the Sun.

The fifth planet from the sun, Jupiter is what watercolor dreams are made of. Vibrant bands of clouds ripple around its thick ...