We are literally driving evolution and making new organisms.
"In the future, we will be designing how we evolve our brains.”
These images show the impact of time.
A new study reveals that when some dinosaurs got old and lost their teeth, they’d grow birdlike beaks.
Natural selection is more difficult to study in humans because we live so long.
The mystery of how Earth's atmosphere filled with oxygen may now be solved.
“Life was a chance event, there is no doubt about that.”
They are a jaw-dropping half-billion years old.
Natural selection is still weeding out unfavorable genetic variants.
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