The first week of the criminal trial for media mogul Sean “Diddy” Combs wrapped up after an emotional testimony from his ...

A breathtaking new video compresses more than a decade of deep-space observation into a few seconds, revealing the hypnotic motion of distant worlds. The animation, created by astrophysicist Jason ...

So what does this all add up to? The researchers developed a capture cross-section for the solar system's phase space then calculated how many rogue planets are in our solar system's vicinity.

The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets first began to form in a rotating, flat cloud of gas ...

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

(laughs) ♪ ♪ NARRATOR: 12 billion miles from the sun ... So, to me, the most exciting thing about studying the solar system is not the planets themselves, but it's all the bits in between ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain ... Moon landing quiz: How quickly can you name all 12 Apollo astronauts that walked on ...

UNDATED (WKRC) - Six of eight planets in our solar system will align in a straight line in the midnight sky very soon. The planetary alignment, which has been called a "planet parade", will happen ...

Planets form in clouds of gas and dust known as protoplanetary disks around young stars. But the formation process of multi-planet systems, like our own Solar System, is still poorly understood.