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Did fungi give mammals an evolutionary edge after the dinosaur-killing asteroid hit? New evidence revives a provocative hypothesisAnalysis A revived hypothesis argues that a fungus-filled world after the Chicxulub asteroid impact may have given mammals an evolutionary edge. The idea could reshape how scientists think about mass extinctions, but it is still controversial.
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What does 'coprolite' mean?Science word of the day Pronunciation: KAHP'-ruh-lite
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'Another dinosaur has entered the luxury collectibles market': Gus the T. rex just sold for $50 million. Here's what its loss means to science.Opinion Gus, a Tyrannosaurus rex unearthed in South Dakota, just sold for $50 million at auction. But it's unknown if the specimen will ever be made available to science.
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Antarctica's first dinosaur fossil belonged to a group of the largest land animals everResearchers have identified the first-ever dinosaur fossil discovered on Antarctica, revealing it belonged to a titanosaur.
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'A completely different story': 300 million-year-old fossils reveal the first vertebrate land dwellers weren't what we thought, researchers claimOur ancient four-legged ancestors didn't have an amphibian-like life cycle when they began walking on land, according to a new study of rare fossils found near Chicago.
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World's largest scorpion had 6-inch pincers, and prowled UK land and waters 415 million years agoEnigmatic 415 million-year-old fossils belong to a giant scorpion that may have reached lengths of around 3 feet (1 meter), a remarkable body size because most life on land at that time was small.
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New Velociraptor cousin was a '4-winged' dragon that hunted prey from the trees of ancient China, fossil find hintsA new microraptor from Cretaceous China likely preyed on ancient birds.
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There's a new T. rex from the dinosaur age — and it ruled the seas with a skull-crushing biteThe newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest marine predators of the dinosaur age.
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'Last titan' of Thailand discovered, and it's the longest-necked dinosaur on record from Southeast AsiaA newfound species of long-necked dinosaur from Thailand lived up to 120 million years ago, and it's the largest known of its kind from Southeast Asia.
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