Our Pleistocene family tree is in no way restricted to simply just us, the neanderthals and the denisovans. Throughout the ...

Beneath the Grand Canyon’s iconic layers, scientists have uncovered a fast-paced, 500-million-year-old tale of evolution that ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...