Scientific American5h
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 ...
Earth 1, asteroids 0: The next generation of planetary defense takes shape at NASA's Jet Propulsion Laboratory
The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...
Asteroid 2024 YR may not hit Earth in 2032, but it—and others—will keep coming back
In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...