The skull of Oculudentavis, found encased in amber, provides new clues into the transition from dinosaurs to birds and may be smallest of either ever found.
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Articles on Phylogeny
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Eucalypts have been in Australia for 45 million years. But hundreds of species appeared more recently than previously thought.
Using the family relationships between single-celled protists alive today, researchers hypothesized what their evolutionary ancestors looked like – and then looked in the fossil record for matches.
Biologists investigated whether birds that search for multiple mates would evolve ever more elaborate songs to attract them. What they found might have surprised Darwin.
Top contributors
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Research botanist at the Botanic Gardens and State Herbarium of South Australia/Environment Institute, University of Adelaide
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Assistant Professor of Biological Sciences, Vanderbilt University
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Ph.D. Candidate in Biological Sciences, Vanderbilt University
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Assistant Professor of Biological Sciences, Mississippi State University
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Assistant Professor of Zoology, Universidade de São Paulo
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Associate Professor of Biology, Scripps College
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Senior Professor of Paleontology, Chinese Academy of Sciences
