A long-term study in a park in the Republic of Congo in Africa has shown that, surprisingly, wild chimpanzees and gorillas will seek out particular individuals of the other species to play with and ...

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

A discovery at an ancient impact crater could indicate how Earth developed enough oxygen for life to thrive ...