Asteroids | Astronomy.com

Artist's illustration of an asteroid belt around a young star

Robotic Spaceflight, Solar System

How do spacecraft avoid collisions in the asteroid belt?

Smallest main-belt asteroids ever detected found hiding in JWST data

WISE all-sky survey

Robotic Spaceflight

A look back at NEOWISE, the NASA mission that cataloged objects around Earth for over a decade

Robotic Spaceflight, Solar System

ESA’s Hera mission is headed to Dimorphos, the asteroid NASA crashed into

Robotic Spaceflight, Solar System

What to know about the Hera mission to the deflected asteroid Dimorphos

Meet 2024 PT5, Earth’s temporary mini-moon

Robotic Spaceflight, Solar System

Nuclear bombs really could deflect asteroids, lab tests suggest

An artist's depiction of NEOWISE overlays the first asteroid image the mission took.

Robotic Spaceflight

NASA bids farewell to NEOWISE mission

Johnstown meteorite

Science, Solar System

Colorado town throws 100th birthday party for pet space rock

Curation teams process the sample return capsule from NASA’s OSIRIS-REx mission in a cleanroom in 2023. Credit: NASA.

Science, Solar System

Asteroid Bennu sample shows more signs of a watery past

Artist's rendition of asteroid Psyche

Could Psyche be the core of the planetesimal that struck Earth and formed the Moon?

Objects like Arrokoth could preserve ‘primitive ices’ from the birth of our solar system