Rather than getting a gene for its original function, a horizontal gene transfer provides the raw material for evolutionary innovation.
Drug-free environments, such as a designated ward in a hospital, might reduce the strength of selection for resistance.
Renal cell carcinoma tumors have three different evolutionary fates, each associated with specific clinical outcomes.
Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.
The Texas Tech University professor also investigated the effects of the Chernobyl disaster on surrounding wildlife.
Researchers identified thousands of immature neurons in the brain region, countering a recent result showing little, if any, signs of neurogenesis.
Ancient monitor lizards had an extra set of “eyes” on top of their heads.
Researchers identify the genetics underlying the development of dorsal fins in ancient fish.
A decade after chytridiomycosis killed scores of amphibians in Panama, some species are recovering. New research indicates why.
DNA analysis gives clues to how the ancient hominin’s population split and how they interacted with modern humans.
The prominent researcher has been put on administrative leave pending an investigation into unspecified allegations.
The 20-year project calls into question the conventional wisdom about the role plants will play in mitigating future climate change.
The US Senate narrowly approved the politician, who does not have a science background.
Researchers deliver small interfering RNAs loaded into nanoparticles into the ears of adult guinea pigs to regenerate hair cells damaged by noise.
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