Science ❯ Astronomy ❯ Asteroids ❯ Near-Earth Objects

Planetary Defense

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

The flybys underscore routine monitoring that refines asteroid tracking for planetary defense.

NASA Confirms Daylight Meteor Airburst Over Northern Ohio

NASA Warns Thousands of Mid‑Sized Asteroids Remain Undetected as Deflection Capability Lags

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

Rubin Observatory Unveils First Deep-Space Images From World’s Largest Camera