Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off of them." ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it ... reveal unprecedented details of planets when they are very young.

Anyone who looked up at the sky on Wednesday night may have caught a glimpse of an impressive sight: all the planets of our solar system on display. The phenomenon — also known as a "planet ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering mystery about how distant planets form, researchers said.

This system has long intrigued astronomers studying planet formation ... "We want to take pictures of other solar systems and see how they're similar or different when compared to ours.

Everyone knows about the Solar System, and the planets that make it up. They’re in space, orbiting the Sun, in an order we all at least used to be able to recite. But it was not always so.

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and smaller than our sun. Located about 250 light-years from Earth in the Draco ...

“We want to take pictures of other solar ... “If these huge planets act like bowling balls cruising through our solar system, they can disrupt, protect or, in a sense, do both to planets ...