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Mammals in the time of dinosaurs held each other back, shows study

A new study about mammal fossils reveals extraordinary results: it was not dinosaurs, but possibly other mammals, that were the main competitors of modern...

Antarctic ice sheet retreat could trigger chain reaction

The Antarctic ice sheet was even more unstable in the past than previously thought, and at times possibly came close to collapse, new research...

Earth’s core may hold 70 times more water than the oceans, shows study

High-temperature and high-pressure experiments involving a diamond anvil and chemicals to simulate the core of the young Earth demonstrate for the first time that...

This giant sea lizard from Cretaceous period could grow up to eight meters long

Scientists have identified the fossil of a giant mosasaur in Morocco that grew up to eight meters long. A giant mosasaur from the end of...

This horned dinosaur from New Mexico was the earliest of its kind

A newly described horned dinosaur that lived in New Mexico 82 million years ago is one of the earliest known ceratopsid species, a group...

How planets form controls elements essential for life

The prospects for life on a given planet depend not only on where it forms but also how, according to Rice University scientists. Planets like...

Scientists discover new type of aurora

For millennia, humans in the high latitudes have been enthralled by auroras--the northern and southern lights. Yet even after all that time, it appears the...

What can a dinosaur’s inner ear tell us?

If paleontologists had a wish list, it would almost certainly include insights into two particular phenomena: How dinosaurs interacted with each other and how they...

Scientists develop new ‘key-hole surgery’ technique to extract metals from Earth

Scientists have developed a new 'key-hole surgery' technique to extract metals from the Earth—which could revolutionize the future of metal mining. A team of international...

Earth may have been a water world 3 billion years ago

Earth's oceans may have been 1 to 2 times bigger than previously thought and the planet may have been completely covered in water, shows...