Science ❯ Astronomy ❯ Asteroids

Size Classification

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

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

The late discovery sharpened concerns about blind spots in tracking meter-scale near-Earth objects that transit low Earth orbit.

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