Biologists have long been fascinated by the ability of salamanders to regrow entire limbs. Now Harvard researchers have ...

Parasites, ranging from tapeworms to microscopic protozoa like Giardia, pose significant health threats by infesting humans ...

In his debut book, the evolutionary biologist decodes the most exciting turning points in the effort to map what links all life forms. An excerpt from How to Make an Animal.

Researchers uncovered how lung cells decide whether to rebuild tissue or fight infection. This built-in “switch” may be the ...

Metabolism guides the activation states of regulatory T cells, the immune cells that prevent inappropriate activation of the ...