It is official now: as of 1 January, being a Communist in Czechia can make you a criminal, carrying a prison sentence of up to five years. With a recent amendment to the Criminal Code, the state has ...

Scientists have uncovered a surprising genetic shift that may explain how animals with backbones—from fish and frogs to ...

Can a single particle have a temperature? It may seem impossible with our standard understanding of temperature, but ...

Fossils from a Moroccan cave have been dated with remarkable accuracy to about 773,000 years ago, thanks to a magnetic ...

Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.