"Blue," in this case, is relative. Like stars, a "blue" asteroid wouldn't necessarily appear blue to the naked eye—it just has spikes at specific spectroscopic frequencies associated with that color ...

Recently, NASA was tracking a large asteroid flying past Earth known as the so-called "city killer." "This one got a lot of attention because it rose to a threat level that we just have not seen ...

Earlier this year, a roughly 200-foot near-Earth asteroid, dubbed 2024 YR4, made major headlines, with NASA's Jet Propulsion Lab warning that there was a small chance it could impact our planet on ...

The next stop for NASA's asteroid-hopping spacecraft Lucy is a space rock named Donaldjohanson, an object researchers recently learned is about 150 million years old. Lucy will fly past the three ...

CAPE CANAVERAL, Fla. (AP) — Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world, scientists reported Wednesday.

The potential city-killer asteroid that could strike our planet in 2032 is looking more foreboding by the week. Spotted just after Christmas, the initial odds of the skyscraper-sized space rock ...