Bacterial resistance to antibiotics is a growing health threat, but its evolution outside laboratory settings is poorly understood. Bacteria living in the human gut are now found to evolve persistent ...

Scientists uncovered how whole-genome duplication emerges and remains stable over thousands of generations of evolution in the lab. Sometimes, the most significant scientific discoveries happen by ...

Newly discovered fossils in Ethiopia show that Homo coexisted with Australopithecus 2.6 million years ago, rewriting the timeline of human evolution. Far from a straight line, early human history was ...