NASA is about to begin a massive hunt for hidden asteroids, and may uncover city-destroying space rocks we’ve missed.

Discovered late last year, the asteroid 2024 YR4 was predicted at one point to have a 3% chance of smacking Earth in 2032.

As an asteroid mining start-up's latest mission goes awry, Josh Sims looks at how close we really are to extracting rare ...

LOS ANGELES – There is a non-zero chance that somewhere in ... To save ourselves from a killer asteroid, first we have to find it. A spacecraft now under construction at NASA’s Jet Propulsion ...

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

Homo sapiens goes the way of T. rex. To save ourselves from a killer asteroid, first we have to find it. A spacecraft now under construction at NASA’s Jet Propulsion Laboratory may be our best hope.

Extraterrestrial lifeforms will likely not look like E.T. or little green Martians. But L.A. Times columnist Patt Morrison looked at a space rock with some promising, and microscopic, signs of life.

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data ...