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The cave artists of antiquity may have been deprived of oxygen to paint

The Earth lost almost all of its oxygen and could have suffocated 2.3 billion years ago

DNA reveals humans who have been enthralled with Neanderthals in a surprisingly short time

We finally have the first tests of cosmic superaccelerators in our galaxy

More than 4,000 blood tests suggest that our bodies age in 3 different changes

This stunning animation shows why Saturn’s rings are like a “mini solar system”

An exploding star 65 light-years from Earth may have caused a mass extinction

Scientists think we can “slow down” the aging process, but how far can we go?

New ferocious dinosaur predator unearthed in Patagonia

Scientists finally know how an ancient reptile with such a long, absurd neck lived