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.

The team went on to propose that micrometeorites, travelling at the speed of over 20km per second, crashed into the moon's surface and hit a common and significant mineral known as ilmenite ...

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 ...

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 ...