Doctors in the Indian capital, Delhi, have performed a life-changing surgery on a 17-year-old boy to remove his "parasitic" twin that was attached to his abdomen. A parasitic twin is an ...

A new study has revealed that "hug of death" megaraptorids and previously unknown carcharodontosaurs shared Australia's unique Antarctic dinosaur ecosystem during the Cretaceous.

The teenager's blood pressure dropped dramatically during the surgery because up to 40% of his blood flowed to the parasitic twin. However, the surgeons quickly stabilized him and he left hospital ...