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

Scientists have long assumed the Oort Cloud, one of the most mysterious structures in our solar system, to be spherical.

A team of scientists accidentally visualized a hidden spiral in the Oort Cloud, and it might change everything we know about ...

The Oort Cloud is a vast, spherical shell of icy objects that surrounds our entire solar system, extending far beyond the orbits of the planets and dwarf planets. Thought to be the source of ...

The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance 1,000 times greater than the orbit of Neptune, is widely thought to be spherical — although it has never been ...

Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show that opened to ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the ...

For nearly three decades he has created mesmerizing planetarium shows at the American Museum of Natural History. But other ...