A program collecting extraterrestrial dust in Antarctica has gathered micrometeorites that are abnormally rich in carbon, most likely originating from cometary surfaces. Isotopic analysis of these ...

A selection of fossilized micrometeorites recovered from Cretaceous chalk. These particles were initially composed of Fe-Ni metal but during atmospheric entry they oxidized to form Fe-oxide minerals.

If you're looking for a fun outdoor activity to do on a dry day, hunting for micrometeorites should be at the top of your list! Micrometeorites are tiny particles that break off from meteorites as ...

Two different structures of the titanium compound Ti2O became the seventh and eighth minerals to be discovered by humankind on the moon The minerals, collected by the Chang'e 5 mission, back up a ...

This story appears in the August 2017 issue of National Geographic magazine. A Norwegian jazz musician and citizen scientist, Jon Larsen has figured out how to do something the experts thought was ...