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1+ hour, 28+ min ago   (467+ words) Learn more about the gene linked to the evolutionary loss of human tails, and how, in rare cases, some people are still born with them. As human embryos develop, a little tail is present during weeks four through six. Around…...

2+ hour, 50+ min ago   (229+ words) Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na'Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) " Mass Extinction Coincided With Expanded Continental Margin Euxinia During the Cambrian Age 4 Earth's…...

6+ hour, 57+ min ago   (323+ words) This isn't something you hear about every day. Dinosaur bones were discovered at Dinosaur National Monument in Utah. The bones were discovered by a group of construction workers renovating an old parking lot at one of the park's halls. Fox…...

7+ hour, 23+ min ago   (1095+ words) Home " Animals " Crocodiles Haven't Changed In 200 Million Years " Here's The Science Behind Their Survival Picture a crocodile lurking in murky water, eyes barely visible above the surface. That same image would have been frighteningly familiar to dinosaurs over 200 million years…...

7+ hour, 43+ min ago   (392+ words) In a monumental find this June, scientists revealed the first direct fossil evidence confirming that sauropod dinosaurs'those iconic long-necked giants'were true vegetarians. A fossil, complete with preserved gut contents, shattered the centuries'old assumption that these behemoths might not strictly graze…...

8+ hour, 21+ min ago   (1147+ words) Across the reptile world, a fascinating evolutionary phenomenon is taking place: some lizard species are gradually reducing or even completely losing their limbs. This process, known as limb reduction or limblessness, represents one of the most dramatic examples of evolutionary…...

8+ hour, 39+ min ago   (1076+ words) Home " Wildlife " Mammals " Why Tapirs Swim to Escape Predators For millions of years, tapirs have been quietly mastering skills that would make Olympic swimmers jealous. While most large land mammals awkwardly splash around in water, tapirs transform into aquatic acrobats…...

9+ hour, 28+ min ago   (405+ words) Published Jan 19, 2026 8:00 AM EST Tyrannosaurus rex is arguably the world's most famous dinosaur, yet paleontologists are still learning more about this giant "tyrant lizard king." T. rex roamed the western United States during the Cretaceous Period about 145 to 66 million years ago,…...

9+ hour, 37+ min ago   (1089+ words) The water moccasin, also known as the cottonmouth, is one of North America's most feared and misunderstood snakes. With its venomous bite and intimidating defensive display, this semi-aquatic serpent has earned a fearsome reputation that often exceeds the actual threat…...

10+ hour, 43+ min ago   (889+ words) We know dinosaurs were around 99 million years ago, but now new research has identified a kind of parasitic wasp that was flying around back then (and which has a strange way of catching its prey). The species now called Sirenobethylus…...