Astronomers have determined the orbital motion of two distinct populations of stars in an ancient globular star cluster, offering proof they formed at different times.
University of Adelaide research has shown new evidence that dinosaurs were warm-blooded like birds and mammals, not cold-blooded like reptiles as commonly believed.
Researchers are able to make particles, liquid droplets, and even toothpicks fly in mid-air by letting them ride on acoustic waves. For the first time, they can also control their movement.
An asteroid impact caused the extinction of most dinosaurs and half of ocean-dwelling species. Meanwhile, life in inland freshwater ecosystems largely survived. Why?