Researchers are evaluating whether selecting one species to provide protection for many is the right approach.

Inserting human “mini-brains” into rodents has the potential to broaden scientists’ understanding of neurological disease, but raises quandaries about consciousness.

The gene-editing technology is already in trials for some rare conditions, with more human testing on the horizon.

Assessments of species vulnerability provide crucial information for conservation efforts. But the science behind them is still evolving.

Evolutionary changes in both the vocal tract and the brain were necessary for humans’ remarkable gift of gab.

Researchers are resurrecting proteins from millions of years ago to understand evolution and lay the groundwork for bioengineering custom molecules.

The functions of the cellular invaginations identified more than half a century ago are now beginning to be understood in detail.

A step-by-step study of diseases that jump species gives subtle clues about future epidemics.

Identification of new archaea species elucidates the domain’s unique  biology and sheds light on its relationship to eukaryotes.