All living things must survive in environments that are constantly changing. Seasons shift from summer to winter, and weather patterns…
The question is playful and unrealistic, but it points to a serious idea: the tension between quantity and quality. New…
An international group of researchers led by the Doñana Biological Station (EBD-CSIC) has identified a previously unknown species of fossilized…
The world's most unusual dinosaur is even stranger than first realized... Research published in Nature on August 27 reports that…
In medicine and biotechnology, the ability to evolve proteins with new or improved functions is crucial, but current methods are…
The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years.…
The Cambrian explosion was an extraordinary phenomenon in the evolution of life on the planet that led to the emergence…
A new study has provided fresh insights into how animals such as the woolly mammoth, musk ox and arctic fox…
Viruses are known to use the genetic machinery of the human cells they invade to make copies of themselves. As…
Understanding the material basis of adaptive evolution has been a central goal in biology dating back to at least the…