The duck-size animal’s body was streamlined for pursuing prey underwater, researchers say. Other paleontologists say more work is needed to confirm the finding.
Archaeologists explore a dig site in the Omnogovi Province in Mongolia, where they discovered a new species of dinosaur, the Natovenator polydontus, in 2008. -
Wolves infected with a common parasite are far more likely to become the leader of their pack, according to a new study, suggesting that the brain-dwelling intruder emboldens its host to take more risks.