An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

The opening show projection showed the galaxy and the movement of celestial objects when they found something strange in the Oort Cloud scene.

life on Earth would not exist and you wouldn't be here watching me. Right now, on "NOVA." ♪ ♪ ♪ ♪ NARRATOR: Out in the dark expanse of our Solar System, far beyond Earth and Mars ...

If you were to look at a giant picture of space, zoom in on the Milky Way galaxy, and then zoom in again on one of its outer spiral arms, you’d find the solar system. Astronomers believe it ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar ...

Astronomers anticipate an unprecedented view of the solar system as the Rubin Observatory begins to scan millions of hidden ...

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...

Nesvorny told Newsweek: "For me, the most interesting thing about this is that the Oort spiral is the boundary between the Solar System and the Galaxy. "It is where the solar gravity competes with ...

If you were born in the last century you might have memorized that there were nine planets in our solar system, as heard in ... Pluto is a brick that helps me understand the building,” says ...

The planets of our solar system formed together with their mother star, and the Earth did likewise, emerging about 4.5 ...

The record itself includes instructions on how to play it, and anyone who did would find 115 images including information intended to show what ... reaches of the solar system (Getty) It was ...