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These bizarre underground microbes have not evolved for 175 million years

Chronic pain could have a unique genetic basis in women

Artists in ancient caves may have wisely looked at oxygen to paint

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

The first humans walked upright, while still having surprisingly simple brains

DNA reveals people crossed with Neanderthals with surprisingly short time

Finally we have the first evidence of cosmic superaccelerators in our galaxy

Over 4,000 blood tests suggest the age of our bodies in 3 distinct changes

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

An exploding star 65 light-years from Earth could have triggered a mass extinction