and they estimate the space rock’s weight at more than one metric ton. The meteorite is believed to have traveled between 40,000 and 50,000 miles before it made impact in Michigan on Tuesday ...

Meteorite hunters from across the United States flocked to the Detroit area in search of pieces of the space rock, and now the first fragments of the Michigan meteor have officially been found.

Analysis of a space rock that landed on a frozen Michigan lake revealed a rich array of extraterrestrial organic compounds. Learn how the meteorite might have been incorporated into life on Earth.