Work from the DiSCo program (Discovering the Composition of Trans-Neptunian Objects) has uncovered the existence of three ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of chunks of rock and ice like comets, dwarf planets, and random objects ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

Brown dwarfs are too small to create this fusion, and become solitary objects in the cosmos, without signs of a surrounding ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

Objects smaller than a few hundred feet ... The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive Planet Nine — a ...

The Sweden Solar System is the largest scale model of the Solar System in existence, and it spans the entire Swedish ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a ...