Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...

Discover the remarkable limits of human visual perception and the maximum distances our eyes can discern.

The humpback whale has the whale equivalent of nearsightedness, which puts it at risk of being snarled in fishing gear.

Scientists have built a device that sees and thinks like the brain, opening doors to lightning-fast robotics and safer ...

If the first episode of Murderbot introduced us to a security unit that would rather binge-watch soap operas than deal with actual humans, the second episode, Eye Contact, digs deeper into what it mea ...

Can a simple pair of eyes on a poster really boost your generosity—or is it all hype? See what studies show so far.