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Titanosaur the Size of a School Bus Had Heart-Shaped Tail BonesA newfound dinosaur seems to wear its heart on its tail, according to paleontologists who found the enormous beast and realized this "hopeless romantic" had heart-shaped tail bones.
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Photos: 100-Million-Year-Old Tanzania Titanosaur Had Heart-Shaped Tail Bones
Talk about romantic! This teenage titanosaur had heart-shaped tail bones.
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These Duck-Billed Dinosaurs Wore Their Instruments on Their HeadsDifferent species of duck-billed dinosaurs may have "tooted" different notes out of their trumpet-like, tubular crests, new research shows.
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Exquisitely Preserved Lungs from 120 Million Years Ago Stun Scientists Studying Early BirdAncient organs rarely fossilize, so paleontologists were stunned to find the incredibly well-preserved remains of a lung that belonged to bird from the dinosaur age, a new study finds.
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Adorable Newborn Sea Monster from the Dinosaur Age Discovered in KansasAbout 85 million years ago, when a vast sea covered Kansas, a wee, little sea monster died almost immediately after it was born.
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Fossil of Oldest Flowering Tree in North America Discovered. And It Was Huge.Flowering trees were part of the North American landscape in the Cretaceous period.
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Mystery of Spiky-Skulled Utah Dinosaur SolvedWhen paleontologists in Utah first dug up the fossil of a spiky-skulled ankylosaur in Utah, they were perplexed.
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Photos: Spiky-Headed Dinosaur Found in Utah, But It Has Asian RootsA newly identified species of ankylosaur from Utah had an especially spiky skull.
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Oldest Fossil of a Baby Snake Discovered Trapped in Amber TombA fossil of a baby snake entombed in amber dates to 99 million years ago.
