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A German naturalist trains a keen eye and a microscope on a tiny crustacean to unlock its secrets.

Andean communities may have evolved the ability to metabolize arsenic, a trait that could be the first documented example of a toxic substance acting as an agent of natural selection in humans.

RNA interference is proving to be a valuable tool for agriculture, allowing researchers to develop pathogen-resistant and more-nutritious crops.

To make the most of the current data deluge, we must reward interdisciplinary researchers who identify and apply the most appropriate analysis methods.

How motion illusions trick the visual system, and what they can teach us about how our eyes and brains evolved

Mathematical and computational approaches are making strides in understanding how life might have emerged and organized itself from the basic chemistry of early Earth.

Revolutionary new methods for extracting, purifying, and sequencing ever-more-ancient DNA have opened an unprecedented window into the history of life on Earth.

Scientists tinker with biosynthetic pathways to make versions of a common antibiotic that stunt drug-resistant bacteria.

Sequence analysis of Egyptian, Ethiopian, and non-African peoples indicates a likely route taken by modern humans migrating out of Africa.

Genetically engineered commensal bacteria help researchers detect cancer metastases in mouse livers.

Mammalian Y chromosome genes with important functions are transferred to autosomal chromosomes more often than previously thought, a study shows.

A deep-sequencing analysis reveals that non-malignant skin cells harbor many more cancer-driving mutations than previously expected.