Why Being “Hangry” May Start in the Brain, Not the Belly

Learn how hunger affects mood only when people consciously feel it — not simply when energy levels drop.

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Raccoons Have Hidden Rules to Navigate Cities, and Refuse to Cross Roads, Even for Easy Meals

Learn how motion sensors and GPS tracking uncovered how raccoons weigh risk against reward.

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A Marine Predator the Size of a Bus Patrolled Ancient Rivers 66 Million Years Ago

Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

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Over 400,000-Year-Old Evidence of Fire-Making Unearthed — Thousands of Years Earlier Than Once Thought

Learn more about the creation of fire, and how new artifacts show that fire was used tens of thousands of years earlier than previously believed.

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From DNA to the Fossil Record, Here's Why We Have a Good Idea of What Neanderthals Looked Like

Learn more about how researchers can take evidence from the past to better shape our idea of what Neanderthals looked like.

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As an Ancient Cow Species Foraged For Seagrass, it Shaped Its Surroundings Around 21 Million Years Ago

Meet Salwasiren qatarensis, a small, ancient sea cow species whose fossils were found in Qatar, in one of the world’s biggest marine mammal bonebeds.

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Why Brown Dwarfs May Explain the Main Differences Between Stars and Planets

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star. 

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