Geography

Scientists reveal how Tyrannosaurus ate its prey

A Tyrannosaurus rex could bite hard enough to shatter the bones of its prey. But how it accomplished this feat without breaking its own skull...

How we discovered that an asteroid collision in space 466m years ago boosted life...

Something mysterious happened nearly half a billion years ago that triggered one of the most important changes in the history of life on Earth. Suddenly,...

Scientists discover a gateway for comets to visit our inner Solar System

A recent study may fundamentally alter our understanding of how comets arrive from the outskirts of the solar system and are funneled to the...

Gigantic masses in Earth’s mantle untouched for more than 4 billion years, says study

Ancient, distinct, continent-sized regions of rocks, isolated since before the collision that created the Moon 4.5 billion years ago, exist hundreds of miles below...

What ancient Denisovans may have looked like

If you could travel back in time 100,000 years, you'd find yourself living among multiple groups of humans, including anatomically modern humans, Neanderthals, and...

Extinct human species gave modern humans an immunity boost

Modern humans acquired a gene variant from Denisovans that heightened their immune reactions, indicating adaptation of the immune system to a changing environment, says...

Dust from a giant asteroid crash caused an ancient ice age before dinosaurs

About 466 million years ago, long before the age of the dinosaurs, the Earth froze. The seas began to ice over at the Earth's poles,...

Rare 10 million-year-old fossil unearths new view of human evolution

Human ancestors might not have been built like modern African apes, a new study suggests. Near an old mining town in Central Europe, known for...

Boney armor protects Komodo dragons in battle

The boney armor that Komodo dragons have just beneath their scales helps protect the dominant predator from other Komodo dragons, researchers report. Tiny bones cover...

Mass extinctions made life on Earth more diverse – and might again

In the past half-billion years, Earth has been hit again and again by mass extinctions, wiping out most species on the planet. And every time,...

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Scientists find the major cause of autism

In a new study, researchers discovered that autism is 80% reliant on inherited genes. That means that environmental causes are only responsible for 20% of...
These two types of drugs are linked to dementia

These two types of drugs are linked to dementia

In a recent study from the University of East Anglia, researchers find that long-term use of anticholinergic antidepressants is linked to a higher risk...

This popular painkiller may harm your blood sugar

In a new study, researchers found popular pain drug opioid tramadol (marketed as ConZip and Ultram) may increase the risk of developing hypoglycemia, or...

Popular high blood pressure drug may increase risk of bowel disease

High blood pressure harms one in ten adults across the globe, and it increases the risk of heart attack and stroke. The most common treatments...
Common painkiller may harm your immune system, damaging heart and kidneys

Common painkiller may harm your immune system, damage heart and kidneys

In a recent study, researchers found that a widely used type of painkiller may increase risks of heart failure and kidney disease. The type of...