Study of crossbred butterflies sheds new light on why sexual differences in fertility follow the pattern known as Haldane’s Rule.

Indian herpetologists bring their life’s work to Harvard just as study shows a world hostile to the fate of amphibians.

Some worry a treatment that kills SARS-CoV-2 by helping it mutate could spawn a super virus. New research weighs in on its "evolutionary safety."

Harvard-led team is learning secrets of regeneration through a method for manipulating genome, which allows a better view of workings of cells.

New study defines and traces the evolution of tusks from the first animals to sport them.

Harvard scientists reconstruct evolution of limb-based motion in early tetrapods.

Researchers discover gene controlling nectar spur development, opening door for insights into evolution.

Harvard and Chinese scientists study Cambrian fossils using micro-CT and 3D models.

Bee health experts Benjamin de Bivort and James Crall discuss the murder hornet threat and other dangers facing bees.