A red alga appears to have adapted to extremely hot, acidic environments by collecting genes from bacteria and archaea.
A red alga appears to have adapted to extremely hot, acidic environments by collecting genes from bacteria and archaea.
The method to the dengue virus's maddening infectiousness.
Uranium dating of coral tools used by the earliest settlers of the South Pacific island kingdom of Tonga offers unprecedented precision in reconstructing their history.
The global spread of dengue virus has immunologists and public-health experts debating the best way to curb infection.
Physicists and biologists are working together to understand cooperation at all levels of life, from the cohesion of molecules to interspecies interactions.
Fossils of four new cetacean species have been discovered at a road construction site in California.
The small organ evolved too many times for it to be an accident, but it’s still unclear what it does.
A study suggests that some mouse models do not accurately mimic human molecular mechanisms of inflammatory response, but other mouse strains may fare better.
A small insect-eating animal is the common ancestor of whales, elephants, dogs, and humans.
One of the most advanced tuberculosis vaccines has failed to protect infants from getting the disease in a clinical trial, but it may be effective in adults.