Learn how rainy and cold weather may be linked with joint pain, impacting those with arthritis or other musculoskeletal ...

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

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.

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

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