Scientific American59m
A Near-Miss with a City-Killer Asteroid Highlights Gaps in Earth’s Defenses
The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...
Dodging dinosaurs’ fate: NASA’s $1.4B asteroid hunter will launch in 2027 to track city-killing space rocks
Ground telescopes have offered our best asteroid data so far, but spotting dark, tumbling rocks from Earth is like finding ...