Geography

Scientists discover the oldest flowers originated from early Jurassic

Scientists have found new evidence of the world's earliest fossil flower from specimens unearthed in the eastern China city of Nanjing, dating the origin...

Huge armored dinosaurs battled overheating with nasal air-conditioning

Being a gigantic dinosaur presented some challenges, such as overheating in the Cretaceous sun and frying your brain. Researchers from Ohio University and NYITCOM at...

Dinosaurs battled overheating with nasal air-conditioning

Researchers used 3D computer modeling to simulate heat exchange in dinosaurs. Researchers have long wondered how gigantic, heavily armored dinosaurs, such as the club-tailed ankylosaurs...

New pterosaur discovery pushes origin of feathers back by 70 million years

Scientists have discovered that the flying reptiles, pterosaurs, actually had four kinds of feathers, and these are shared with dinosaurs - pushing back the...

The secret life of cloud droplets

Do water droplets cluster inside clouds? Researchers confirm two decades of theory with an airborne imaging instrument. Like raindrops streaking across the windows of your car...

Jurassic ichthyosaur was warm-blooded, had blubber and camouflage

An ancient, dolphin-like marine reptile resembles its distant relative in more than appearance, according to an international team of researchers that includes scientists from...

A supernova 2.6 million years ago could have wiped out the ocean’s large animals

For many years, scientists have been studying how supernovae could affect life on Earth. Supernovae are extremely powerful events, and depending on how close they...

Why deep dark oceans gave life to the first big, complex organisms

Why did the first big, complex organisms spring to life in deep, dark oceans where food was scarce? A new study finds great depths...

What caused Earth’s biggest mass extinction?

Scientists have debated until now what made Earth's oceans so inhospitable to life that some 96 percent of marine species died off at the...
Earth's magnetic poles could start to flip. What happens then

Earth’s magnetic poles could start to flip. What happens then?

As Earth's magnetic shield fails, so do its satellites. First, our communications satellites in the highest orbits go down. Next, astronauts in low-Earth orbit can no...