Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance ...

Asteroid Bennu—the target of NASA's OSIRIS-REx sample return mission, led by the University of Arizona—is a mixture of ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will eventually become planets and other objects. Observing this early phase of ...

Researchers turned to data from our own solar system to determine that these minerals show the start of a new system. In Earth's solar system, the first solid materials to form can now be found ...

This is HOPS-315, a baby star where astronomers have observed evidence for the earliest stages of planet formation. These observations show that hot minerals are beginning to solidify. In orange ...

Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of researchers has been able to pinpoint the exact moment when planets began to form ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...