Learn about the ongoing mystery of 300 bright objects discovered in deep space, some of which may be galaxies that formed in ...

Learn more about the handful of tooth fossils that complicate the history of humans in northeastern Ethiopia.

Meet Janjucetus dullardi, an early cousin of today’s whales that roamed the sea 26 million years ago.

Learn why the lack of a single, standard definition of long COVID poses a problem for researchers and clinicians.

Are invisible mice real? Doritos dye can make tissue temporarily see-through in the right conditions.