They race, they spin, they shoot. Meet the organisms for which physical prowess is more than sport—it’s a matter of life and death ...

Proteins are the molecular machines of cells. They are produced in protein factories called ribosomes based on their ...

A bizarre fossil called Prototaxites, which was the largest life-form on land 400 million years ago, may have been a completely unknown form of multicellular life, according to a new study.

Surprisingly, a toxic compound found on Mars could help bacteria produce brick-like substances that could be used to assemble habitats on the Red Planet.