which Stern calls the solar system’s attic. The debris cast there by Jupiter may include some lost planets. “I think the Oort cloud will blow our minds,” says Stern. “It will be littered ...

Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in it ... Gregory says, 'Near to the Sun, the temperature was very high, so minerals and ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far ... in flat circular or oval orbits, the Oort Cloud is more like a sphere, with many icy ...

A decade of observations with the Subaru Telescope in Hawaii has uncovered the existence of an intriguing cluster of objects ...

Some space conspiracy theories just won't go away.

Recent research has pointed out that the early shape of our Solar System was more ... of asteroids in the outer Solar System ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its own. The question is, where did it go?

Astronomers have discovered more than 100 new trans-Neptunian objects (TNOs), minor planets located in the far reaches of the solar system ... the expansion of our universe.