In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

Animals face a constant battle to survive, not just by finding food but by avoiding becoming food themselves. Over millions of years, evolution has produced a vast range of defense strategies, from ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

Everyone’s seen Rudolph Zallinger’s “The March of Progress” illustration showcasing the evolution of humans: from early primate ape ancestor, Dryopithecus, and progressing toward modern man, Homo ...

The Alabama Board of Education plans to make minor changes to its science course of study, but has no plans to remove a textbook insert, used since 1995, that calls evolution a “controversial theory.” ...