Enhydriodon omoensis dwarfed ancestors of humans who lived alongside it from 2.5 to 3.5 million years ago; the two species may have competed for food.

A new study shows that natural variants of oxygen within ancient animal teeth recorded details of seasonal rainfall, environmental conditions and animal behavior.

A special issue for the journal of the American Academy of Arts and Sciences examines water (in)security in Africa in an age of global climate change.

Earth Institute researchers are in the field studying the dynamics of the planet on every continent and every ocean. Here is a list of projects.

Fluids trapped within the stones are helping researchers reconstruct the deep history of the continent, and eventually maybe others.

Controversy over the age of an early fossil of Homo erectus has been settled, and has led to other specimens.

A new study finds that that even when air pollution in Kinshasa and Brazzaville is at its lowest, it’s still four times higher than World Health Organization guidelines.

Unfortunately, growing urban emissions mean that the reprieve may only be temporary.

A new study suggests that a series of environmental changes in East Africa some 320,000 years ago challenged a previous long-standing way of life for proto-humans, and produced a more adaptable culture.

One way in which scientists use carbon isotopes found in fossils to identify the sites of ancient rain forests may not work as expected.