An excavation site in North Dakota sheds new light on what happened when a giant meteorite struck planet Earth, 66 million years ago. On that day, violent ground shaking first raised giant waves in the waters of an ancient inland sea. Then tiny beads began to fall, created from molten rock cooling at the […]
An international team of scientists, including one from the University of Washington, has announced the discovery of additional remains of a new human species, Homo naledi, in a series of caves northwest of Johannesburg, South Africa. The find includes the remains of two adults and a child in the Lesedi Chamber of the Rising Star […]
The remains of a new species of horse-sized dinosaur reveal how Tyrannosaurus rex became one of Earth’s top predators, a study suggests. The discovery unearthed in Uzbekistan provides key insights into how a family of small-bodied dinosaurs evolved over millions of years to become fearsome giants. The study shows that the dinosaurs — known as […]
A study of life and extinctions among woolly mammoths and other ice-age animals suggests that interconnected habitats can help Arctic mammal species survive environmental changes. The study appears online Nov. 2 in the Proceedings of the National Academy of Sciences. Short periods of warm climate in the midst of the last ice age triggered boom-and-bust cycles in the populations of large mammals in […]