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.

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests ...

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.

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 ...

Robert Ward, a meteorite collector in Arizona, is among a growing number of citizen scientists driving the trade in space rocks. He said some of his best samples have come from North Africa ...

By analyzing magmatic iron meteorites, the Arizona State University team found evidence that the first-generation planetesimals of the inner solar system actually retained significant amounts of MVEs.