The winners of the 51st annual Nikon Small World photo contest offer a glimpse at some of the tiniest—and most beautiful—parts of the natural world. Spheres of Volvox algae colonies contained within a ...

Every year, around 600 million people are struck down by foodborne illnesses. The culprits are often common yet dangerous bacteria, such as E. coli and Salmonella, that thrive in undercooked or ...

The microscopic flatworm (Stenostomum brevipharyngium) is one of nature's weirder creatures. Chop off its head, and it'll grow one back. Cut it in half, and it'll become two separate healthy worms.

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