For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the ...

Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...

Learn about a new Kreutz sungrazing comet that could be lighting up our skies come April 2026.

Discover the Kuiper Belt: a frozen ring of dwarf planets and trillions of icy bodies, currently being explored by NASA's New Horizons mission.

Tiny grains of dust from asteroid Bennu are reshaping how scientists think life’s ingredients formed in space.

A meteor triggered a flurry of fireball sightings on Feb. 10 ...

The Earth's core is frequently pictured as a flaming mass of metal that has been thoroughly investigated and is impervious to touch. However, that image is ...

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But experts predict it will eventually be thrown out of the solar system forever ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Comet 3I/ATLAS was full-on erupting into space in December 2025, after its close flyby of the sun, causing it to ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...