When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable them to survive. For example, marmots and ground squirrels in California ...
Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants ...
A study published in Nature Ecology and Evolution on February 24, 2026, confirms that animals experience time at speeds dictated by their metabolic rates and ecological demands, with small, ...
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Surprise fossil discoveries push back the evolution of complex animals
A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that ...
Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that ...
Scientists worry that our climate is changing at a rate that the usual slow progress of evolution can’t match. A new study shows evidence of “evolutionary rescue”—a kind of rapid evolution in which ...
How and why the Cambrian explosion occurred has been the subject of debate ever since fossils of this remarkable event were ...
The molecular clock theory posits that genetic changes happen steadily and gradually, offering a reliable means for peering into the past and theorizing when complex life first emerged. However, there ...
When people build cities and introduce invasive creatures, resident critter populations sometimes adapt Brian Handwerk - Science Correspondent When humans build cities and introduce invasive species, ...
FISH copy 39088007842362 has bookplate: Gift of Suzanne Ripley. STRIMAIN copy 39088015885700 has bookplate: Gift of Neal G. Smith. Evolutionary biology -- Species concepts and their application -- ...
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This massive bone study reveals the exact moment humans changed animal evolution forever
A University of Montpellier study published on September 1st in the Proceedings of the National Academy of Sciences reported that human intervention over the last millennium drove a sharp divergence ...
WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...
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