TEMPE, Ariz. — Pieces of a small asteroid that left a fiery trail in the sky over a big chunk of Arizona earlier this month have been found by researchers, Arizona State University says.

TEMPE, AZ — Learn where meteorites come from and how planets form at Arizona State University! This Arizona hidden gem can be found on campus in Tempe at the Center for Meteorite Studies.

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests these ingredients weren’t missing from the start. Instead, they were likely ...

Robert Ward displays a meteorite found in Africa as he searches here for similar rocks. The pieces may be no heavier than 50 grams. Ron Medvescek / Arizona Daily St ...

Found in Arizona's high desert, Meteor Crater was formed from a collision that hit America's southwest region around 50,000 years ago "with the energy of more than 20 million tons of TNT," Visit ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Rare diamonds found in meteorites called ureilites have a folded hexagonal structure. Learning the process of how they were formed could inspire better lab-grown diamonds.