Meet Tainrakuasuchus Bellator, crocodile’s earliest known relative, equipped with fierce teeth and tough armor, making him a predator from the start.

Learn more about the fat molecules researchers discovered in deep-sea mud volcanoes and the clues they offer to microbial adaptations.

Learn why curious narwhals are acting like the cats of the sea, bumping and scratching against underwater listening devices.

Learn more about Earth’s shifting mantle pushed continental material into distant volcanoes.

Learn more about the images advanced telescopes could take of black holes and how they could back up Einstein’s general theory of relativity.

Learn more about the orcas seen attacking white sharks in the Gulf of California and why they seem to go for the liver.

Learn how NASA’s TESS and ESA’s Gaia missions helped astronomers uncover thousands of hidden stars, revealing that the Pleiades are 20 times larger than previously believed.

Learn about the new method for dating fossil sites that measures isotopes in calcified dinosaur eggshells.

Learn how Hawaiian monk seals produce 25 distinct underwater calls, and may even combine them to communicate.

Learn how to catch the 2025 Leonid meteor shower this November, and why this particular shower holds a legendary place in skywatching history.

Learn more about the surprisingly well-preserved fossilized dinosaur egg uncovered in South America and what it could tell us about dinosaur nesting and bird evolution.

Discover how tracing space dust in Arctic seafloor sediment can help us understand how ice coverage changed over millennia, without the need for satellites.

Learn how a small section in Neanderthals' DNA gave them a lower jaw that was much larger than human jaws. 

Learn how coiled optic nerves, unlike any seen in other reptiles, give chameleons their extraordinary field of view.

Learn why shortness of breath may be the body sending a final SOS and how taking the quiet symptom seriously could help lower the risk of death.

Learn how a small but steady source of warmth under Enceladus is reshaping what scientists think about where life can survive.

Learn more about the juvenile fish that carry sea anemones like weapons or shields to ward off predators.

Learn whether or not science backs the claims that sourdough bread can help with everything from your blood pressure to your gut microbiome.

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define solar objects.

Learn why food can contain both good and bad bacteria. Here’s the difference, and how to avoid the bad ones.

Learn how rainy and cold weather may be linked with joint pain, impacting those with arthritis or other musculoskeletal conditions.

Detected in three drug samples during community checks, the little-known opioid cychlorphine may be as potent as fentanyl, with its true effects still unknown.

Prehistoric trees like Ginkgo and monkey-puzzles still have close relatives that go back at least to the time of the dinosaurs.

Learn how three new toad species from Tanzania’s Eastern Arc Mountains evolved to skip the tadpole stage — revealing one of nature’s rarest reproductive strategies.