New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...
NPR's Juana Summers speaks with journalist Tina Brown, one of the first to report about Jeffrey Epstein's sexual abuse, about the fallout of the Epstein files.
Stone tools found in Israel are at least 1.9 million years old, showing humans left Africa earlier than scientists once believed.