Biology

In three bursts of adaptive change, one species of cichlid fish in Lake Tanganyika gave rise to hundreds.

An unorthodox symbiotic theory about the origin of eukaryotes’ defining characteristic may soon be put to the test.

Has physics reached the limits of what we can discover — or are the possibilities only just beginning?

Even genes essential for life can be caught in an evolutionary arms race that forces them to change or be replaced.

Researchers see structural changes in genetic material that allow memories to strengthen when remembered.

Deep neural networks, often criticized as “black boxes,” are helping neuroscientists understand the organization of living brains.

New research links serotonin and dopamine not just to addiction and depression, but to the ability to control genes.

From crumpled paper to termite mounds to three-sided coins, L. Mahadevan has turned the whole world into his laboratory.

The physicist Jeff Gore tests theories about microbe communities experimentally and finds new rules governing ecological stability.