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

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

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

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

Learn how chemists were studying a known antibiotic when they discovered a molecule 100 times more potent at defeating ...

Learn about the closest black hole from Earth, Gaia BH1. This recently discovered black hole is dormant, but it’s only 1,600 ...

Learn how tardigrades are able to tolerate extreme radiation with a unique protein that unwinds their DNA.

Learn more about bowhead whales and how they routinely see out their 200th birthday — and this DNA-repair protein might just ...

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