Harvard astrophysicist Avi Loeb claims the interstellar object 3I/ATLAS is not just a comet, but a technological artefact ...
A foot fossil found in Ethiopia belonged to an ancient human. The finding could knock one of the most famous names in human evolution from her spot on the family tree.
Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life.