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Elusive Form of Evolution Seen in Spiders
A study of diverse colonies of spiders supports a controversial idea in evolution — that natural selection can act on communities as well as on individuals.
Lizard Stowaways Revise Principle of Ecology
The movement of lizards around the Caribbean is forcing researchers to account for human activity in even their most basic ecological models.
Evolution’s Random Paths Lead to One Place
A massive statistical study suggests that even though genetic changes happen at random, the final evolutionary outcome — fitness — is predictable.
The Thermodynamic Theory of Ecology
Nature’s large-scale patterns emerge from incomplete surveys that borrow ideas from information theory.
I Contain Multitudes
Our bodies are a genetic patchwork, possessing variation from cell to cell. Is that a good thing?
As Animals Mingle, a Baffling Genetic Barrier
Despite swapping DNA through interbreeding, butterflies and other animals can maintain distinct species.
Where Animals Come From
Bacteria may have helped single-celled organisms make the leap to multicellular animals.
The New Science of Evolutionary Forecasting
Newly discovered patterns in evolution may help scientists make accurate short-term predictions.
Hints of Life’s Start Found in a Giant Virus
Newly discovered specimens support a more ancient origin for viruses, perhaps all the way back to the origins of life.