Science ❯ Astronomy ❯ Asteroids

Size Classification

Small Asteroids Impact Risk Impact Potential Stadium-sized Asteroids Stadium-Size Asteroids 2025 BV5 Potentially Hazardous Asteroids Threat Levels 2025-TN2 2026 FM3 Risk Assessment

Meteor Exploded Over New England in a High‑Altitude Airburst

A NASA analysis shows a roughly 5‑foot meteoroid broke apart in the upper atmosphere, underscoring limits to early detection of small space rocks.

Car-Sized Asteroid Set to Pass Earth Closer Than the Moon Today

Tiny Asteroid Skims Earth at ISS Altitude Over Antarctica, Found Only Hours Later

Tiny Asteroid 2025 TF Skims Earth at ISS Altitude in One of Closest Recorded Flybys

NASA Monitors Five Aircraft-Sized Asteroids After Exceptionally Close 2025 OS Flyby