NASA’s Perseverance rover is discovering a treasure trove of diverse ancient rocks on Jezero Crater’s rim, some possibly ...

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here ...

NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where it came from.

Scientists at Nasa have discovered an out-of-place rock formation that has left researchers baffled about its origins. Dubbed ...

"Dating zircon grains using ... techniques is now celebrated as the optimal method for determining when igneous rocks formed," the report said. The technique involves measuring the decay of ...