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 ...

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

Around 4.6 billion years ago, as the young solar system formed, Jupiter’s rapid growth created enormous gravitational ...

This invisible boundary, located about 100 astronomical units (AU) from the Sun (one AU is the distance from Earth to the Sun ...

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 ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's famous Pale Blue Dot image, a shot the Voyager 1 spacecraft took in 1990 ...