Iron-silica particles helped shield cyanobacteria like these, which played a key role in the oxygenation of Earth's atmosphere according to new research from UAlberta.

Iron-silica particles unlock part of the mystery of Earth’s oxygenation

Artistic depiction of early Earth blasted by solar system debris.

Chemical footprint in present-day atmosphere mimics that observed in ancient rock

Earth

New understanding of deep earthquakes

biotite

Platinum is key in ancient volcanic related climate change

Continental plates around Greenland.

Icy Greenland’s heated geologic past

LSU's Patricia Persaud (left) and a Cal Tech undergraduate student mark a newly-buried geophone node in a Los Angeles yard.

Urban geophone array offers new look at northern Los Angeles basin

Blue Diamond

What makes diamonds blue?

Lingwulong shenqi.

New dinosaur found in the wrong place, at the wrong time

A fossil heterostracan, Errivaspis waynensis, from the early Devonian

160-year-old mystery about the origin of skeletons solved

This is PhD student Mohamad Bazzi with a fossil lamniform shark tooth

The end-Cretaceous extinction unleashed modern shark diversity

1...178179180...686Page 179 of 686