Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star in the first record of its kind.

Explore the fascinating motion of our Solar System as it journeys not just around the Sun, but also through the vastness of the Milky Way galaxy and the Universe beyond. This in-depth video unpacks ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long ...

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 ...