Echinoderms, such as starfish, sea urchins and sea lilies, use small, flexible, tubular projections called "tube feet" for locomotion, feeding, respiration and sensory perception. Crinoids, a subgroup of echinoderms, are ...
Life on our planet began in the water. Eventually, one branch of the fish family tree developed legs and came up on land. These early four-legged animals, the tetrapods, were the forebears of today's mammals, birds, reptiles ...
Evolution
Jun 18, 2026
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241
An international study led by Curtin University has revealed new insights into how an ancient flying reptile was preserved in extraordinary detail for 113 million years, offering a rare glimpse into a vanished world.
Paleontology & Fossils
Jun 18, 2026
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530
An international study of infant remains from 50,000–75,000 years ago has provided new evidence about the developmental trajectory of our evolutionary "cousins," Neanderthals.
Evolution
Jun 17, 2026
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76
Many animals exhibit fascinating collective behaviors, which allow them to move, search for food, reproduce and avoid threats more effectively than they would alone. One of these behaviors is queuing migration, which essentially ...
Many animals, including humans, rely on their eyes to detect changes in their surroundings. The eyes of vertebrates, animals with a backbone or a similar supporting structure, contain a transparent structure (i.e., the lens) ...
Bryozoans are tiny, filter-feeding colonial invertebrates that thrive in the world's oceans today, yet for decades their origins presented a puzzling gap in the fossil record. While nearly every other major animal group made ...
Evolution
Jun 3, 2026
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246
Dinosaurs are estimated to have roamed Earth for over 165 million years, gradually evolving over time to survive in changing environments. Among the many fascinating groups of dinosaurs known to have lived on our planet are ...
In the Triassic, the modern animals we know were just beginning to diversify into a menagerie of forms and body plans that rhyme with the lifestyles of extinct and living animals better known to the public, but nested in ...
Evolution
May 26, 2026
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101
The human hand is an evolutionary marvel. While other primates rely on their hands for locomotion and basic grasping, ours can shape tools, manipulate objects, and perform detailed tasks requiring great dexterity and precision. ...
