Tucson is the epicenter of a meteorite hunt after a shower of space rocks landed north of the city Tuesday night. The event began at 7:11 p.m. with a window-rattling sonic boom, as a massive ...

The piece recovered, Gramsey said, is a 150-gram chondrite meteorite, a stony-type meteorite containing small mineral granules. “We’re very fortunate to have this piece,” Gramsey said.

Meteoritics is the study of meteorites — solid parts of asteroids or comets that have landed on another celestial body, notably (but not limited to) the Earth. Measuring the composition of ...