Learn more about the juvenile fish that carry sea anemones like weapons or shields to ward off predators.

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Learn why food can contain both good and bad bacteria. Here’s the difference, and how to avoid the bad ones.

Learn how three new toad species from Tanzania’s Eastern Arc Mountains evolved to skip the tadpole stage — revealing one of nature’s rarest reproductive strategies.

Detected in three drug samples during community checks, the little-known opioid cychlorphine may be as potent as fentanyl, ...

Prehistoric trees like Ginkgo and monkey-puzzles still have close relatives that go back at least to the time of the dinosaurs.

Learn more about the discovery of the electron and why J.J. Thomson often gets the credit.

Learn about the collection of ritualistic items unearthed at the largest and oldest known Maya monument, Aguada Fénix.

Learn more about the “Marree Man,” a gigantic geoglyph carved into the Australian outback whose creator still remains a ...

Learn how the fossils of ancient organisms help scientists navigate deep time — and uncover Earth’s hidden history.

Learn how early hominins crafted the same sharp-edged Oldowan tools through 300,000 years of climate change, revealing one of ...

A 14th-century teenager died from the Black Death in Edinburgh. Learn how researchers discovered the pathogen in his teeth, ...