The first phylogenomic tree of these insects shows their diversification occurred after they split into Old and New World groups.

Glass eels form a magnetic memory of their estuaries’ currents in order to migrate.

Back from the brink of near-extinction, the Kirtland’s warbler population has grown and expanded its range.

Three-dimensional tissue cultures grown from cancer patients’ own tumors can predict responses to the drug irinotecan.

A type of jumping spider called Afraflacilla had never been documented in India—until now.

A newly developed device can better measure brain waves such as those used to control a robotic car.

A mysterious illness is causing tissue loss in many species.

A frog performs a balancing act in a region where amphibians are threatened.

Genetically engineered Drosophila withstand toxins common in monarch butterflies’ diet.