For hundreds of years, Andean people recorded information by tying knots into long cords. Will we ever be able to read them?

In 2024, there were more than 85,000 running races in the US, according to RunSignUp data. From 5K fun runs to marathons and every distance in between, runners have countless options to choose from.

A single Neanderthal gene slipped into lab mice triggered unexpected changes in their skeletons. Scientists in Japan uncovered traits echoing long-lost human cousins.