Search results for Reptiles

Evolution Oct 27, 2025

Earliest long-snouted fossil crocodile from Egypt reveals the African origins of seagoing crocs

In the Egyptian Western Desert, where red sandstones and green shales rise above the arid plains of Kharga Oasis, paleontologists have uncovered a fossil that fundamentally reshapes our understanding of crocodile evolution.

Ecology Oct 25, 2025

Livestreams of rattlesnakes help shift public attitudes and foster empathy

The installation of livestream cameras in multiple U.S. states capturing real-time rattlesnake behavior has resulted in mass viewership, public education and improved public perceptions of a frequently vilified viper, according ...

Evolution Oct 24, 2025

How changing limb posture helped ancient reptiles grow

New research has revealed how more upright limb postures helped ancient reptiles overcome the biomechanical constraints of body size, paving the way for the evolution of larger sizes in archosaurs—a group that includes crocodilians, ...

Plants & Animals Oct 22, 2025

Scientists investigate what reptile 'pee' crystals are made of

Unless you've owned reptiles, you might not know that many of them "pee" crystals. Researchers publishing in the Journal of the American Chemical Society investigated the solid urine of more than 20 reptile species and found ...

Plants & Animals Oct 21, 2025

Future-focused conservation index identifies reptiles as highest conservation priority

Reptiles could overtake amphibians as the highest priority for conservation among vertebrates as threats like climate change and invasive species worsen in the future, according to a new conservation index tool developed ...

Environment Oct 11, 2025

Toxic pollution builds up in snake scales: What we learned from black mambas

Black mambas (Dendroaspis polylepis) are Africa's longest, most famous venomous snakes. Despite their fearsome reputation, these misunderstood snakes are vital players in their ecosystems. They keep rodent populations in ...

Paleontology & Fossils Oct 10, 2025

Rare Jurassic 'sword dragon' prehistoric reptile discovered in the UK

A near-complete skeleton found on the UK's Jurassic Coast has been identified as a new and rare species of ichthyosaur—a type of prehistoric marine reptile that once ruled the ancient oceans.

Plants & Animals Oct 1, 2025

Jurassic reptile fossil discovery blurs the line between snake and lizard

New research has uncovered a species of hook-toothed lizard that lived about 167 million years ago and has a confusing set of features seen in snakes and geckos—two very distant relatives. One of the oldest relatively complete ...

Paleontology & Fossils Sep 26, 2025

New ichthyosaur species with robust ribs discovered in Jurassic clay pit

An international research team from Switzerland and Germany, led by Gaël Spicher (JURASSICA Museum, Porrentruy, Switzerland), has described a new ichthyosaur species based on fossils curated at the Urwelt-Museum Oberfranken ...

Molecular & Computational biology Sep 24, 2025

Mathematical rules provide tape measure for estimating size of ancient marine reptiles from partial fossils

How can we guess the size of an extinct animal when all that remains are a few scattered bones? A study conducted by researchers at ULiège now provides an answer to this question. Using mathematical methods applied to hundreds ...

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