Dinosaur ancestors hardier than thought
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Blog: Paleontologists have found that precursors to dinosaurs weren't so rapidly replaced as previously thought.
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LONDON - A prehistoric reptile gave birth to live young rather than laying eggs, fossil evidence suggests. Scientists weren&#39;t sure if the ancient reptiles, called sauropterygians, hatched from eggs on land like sea turtles or were born alive in the water.
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A gigantic bird-like dinosaur weighing as much as a car towered over its relatives about 70 million years ago, a new finding suggests.   The unearthed beaked dinosaur  was not full-grown, yet it tipped the scales at more than 3,000 pounds. Paleontologists who discovered its remains estimate the behemoth was just 11 years old when it perished.   Chinese scientists unearthed the skeletal remains of the dinosaur, now named Gigantoraptor erlianensis, in the Erlian Basin of Inner Mongolia, China. ...
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Chimpanzees scampering on a treadmill have provided support for the notion that ancient human ancestors began walking on two legs because it used less energy than quadrupedal knuckle-walking, scientists said.
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Villagers in central China spent decades digging up bones they believed belonged to flying dragons and using them in traditional medicines. Turns out the bones belonged to dinosaurs, and now scientists are doing the digging.
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Dinosaurs shared the Earth for millions of years with the species that were their ancestors, a new study concludes.
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The ability of early human ancestors to run long distances may have influenced the transition to today's body form, researchers report.
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Astronomers suspect the early Earth was a very harsh place. Temperatures were extreme, and the planet was constantly bombarded by cosmic debris. Many scientists believe that life's starting materials, or building blocks, must have been very resilient to have survived this tumultuous environment.
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A new study of the skeleton of a one-meter-high race of âhobbitsâ that lived 12,000 years ago in Indonesia shows that they were a species of humanâand that the evolutionary path to Homo sapiens has been torturous indeed.
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A rare fossil from the age of the dinosaurs is shedding light on when the modern crocodile first evolved a skull strong enough to keep hold of its prey during the dismembering &#39;death roll&#39;.
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The extinction of the dinosaurs 65 million years ago can be traced to a collision between two monster rocks in the asteroid belt nearly 100 million years earlier, scientists report on Wednesday.
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A collision 160 million years ago of  two asteroids orbiting between Mars and Jupiter sent many big  rock chunks hurtling toward Earth, including the one that  zapped the dinosaurs, scientists said on Wednesday.
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WASHINGTON - A newly discovered fossil may be the remains of one of the first stealth hunters, a swimming dinosaur that could use its long neck to sneak up on prey and strike without warning.
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CLEVELAND - A new dinosaur species was a plant-eater with yard-long horns over its eyebrows, suggesting an evolutionary middle step between older dinosaurs with even larger horns and the small-horned creatures that followed, experts said.
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A re-assessed fossil from a Velociraptor dinosaur suggests the animal was probably covered in feathers.
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The mystery of whether dinosaurs were indifferent parents or cared for their young may have been solved by a discovery in China. More than 100 million years ago an adult dinosaur was buried
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They were the first animals with backbones to walk on land. They witnessed the rise and fall of the dinosaurs and were present at the birth of a bipedal ape who went on to become