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Geography

Why did glacial cycles intensify a million years ago

Something big happened to the planet about a million years ago. There was a major shift in the response of Earth’s climate system to variations...

250000-year-old skull raises questions about human origins

The discovery of a partial skull of a young child believed to have died at least 250,000 years ago in a cave near Johannesburg,...

Scientists discover nearly 500 ancient sites in Southern Mexico

Using laser mapping data, researchers from The University of Texas at Austin and other institutions have discovered 478 ancient ceremonial centers in southern Mexico. Most...

On ancient Earth, it never rained but it poured

Today, we are experiencing the dramatic impacts that even a small increase in global temperatures can have on a planet’s climate. Now, imagine an Earth...

Scientists find strange black superionic ice that could exist inside other planets

Scientists used diamonds and a beam of brilliant X-rays to recreate the conditions deep inside planets, and found a new phase of water called...

Tiny pterosaurs dominated Cretaceous skies, shows study

The newly hatched juveniles of large and gigantic pterosaurs likely outcompeted other smaller adult pterosaur species to dominate the Late Cretaceous period around 100...

Scientists find new way to search for Earth-like planets

Astronomers searching for Earth-like planets in other solar systems have made a breakthrough by taking a closer look at the surface of stars. A new...

Scientists discover the oldest known modern crab in amber

Researchers have discovered the oldest known modern crab — trapped in amber since the time of the dinosaurs. The 100-million-year-old fossil of the crab, Cretapsara...

Changing ocean currents are driving extreme winter weather in the US

Throughout Earth's oceans runs a conveyor belt of water. Its churning is powered by differences in the water's temperature and saltiness, and weather patterns around...

Early dinosaurs may have lived in social herds as early as 193 million years...

To borrow a line from the movie “Jurassic Park:” Dinosaurs do move in herds. And a new study shows that the prehistoric creatures lived in...