NASA Reports Undetected Asteroid Explosion in Upper Atmosphere

NASA has reported a significant meteor explosion in Earth's atmosphere several months ago -- and we didn't see it coming.
ExtremeTech is the Web's top destination for news and analysis of emerging science and technology trends, and important software, hardware, and gadgets.

NASA's new plan to protect Earth from possible doomsday asteroids - FIVEaa

Close encounter: Giant asteroid slipped by Earth last week, evading detection •

Asteroid, Meteorites & Comets, Definition & Characteristics - Lesson

ExtremeTech

It's International Asteroid Day; here's what to know about the threat to Earth

Car-Sized Asteroid Flew Past Earth

Close shave from an undetected asteroid : r/space