(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

One of the biggest mysteries of evolution is how species first developed complex vision. Jellyfish are helping scientists solve this puzzle, as the group has independently evolved eyes at least nine ...

After losing its original eyes, one of our distant ancestors may have done what evolution does best: tinkered with what was available, reshaping a single central visual organ into two new eyes. That’s ...

Prologue : Molecular genesis -- The age of first cellular life -- The age of complex cellular life -- Eukaryotes organize and metazoans arise -- Early animals prepare the ground -- Vision's big bang ...

Q: What fascinates you about the eye? A: The eye is an absolutely fascinating organ because it's an organ of extreme perfection, as Darwin has called it. We are able to adjust the focus, we are able ...

CAMBRIDGE, MA -- Why did humans evolve the eyes we have today? While scientists can’t go back in time to study the environmental pressures that shaped the evolution of the diverse vision systems that ...

What if the way animals see the world had developed differently? Researchers at MIT have used artificial intelligence to explore this idea - not through imagination, but through simulation. Study: ...

The standing dogma of eye evolution is challenged with the discovery of an invertebrate that sees light like vertebrates do, rather than like their more closely related cousins, according to a study ...

Wild cats showcase a stunning diversity of eye colors, proving a mystery for researchers because most wild species are known to have narrow eye color schemes (usually black, brown or yellow). Eye ...