David Jewitt at the University of California, Los Angeles, and his colleagues studied images from ground-based and ...

The Oort Cloud is a vast, icy shell that surrounds the solar system, marking the farthest reaches of our cosmic neighborhood. Though we have yet to directly observe its objects, the Oort Cloud is ...

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