Spiders

Jumping spiders gauge distances by compared a focused image with a defocused image.

Spiders likely sleep and dream like humans do.

Researchers have turned dead wolf spiders into machine grippers that can be used to pick up a variety of objects, including other spiders, by blowing air into their lifeless corpses.

Male spiders that dance to their own beat are more likely to win mates compared to those that stick to a formula, new research finds.

What's the largest arachnid ever on Earth? The answer is not so simple, say scientists.

Once mating is over, male orb-weavers catapult off the bodies of females to avoid being eaten, moving at a speed that's too fast to glimpse with the naked eye.

Pack hunting spiders use web vibrations to coordinate their attacks.

Scientists believe that Joro spiders arrived in the U.S. as stowaways in a shipping container.

Before now, the species had never been seen catching bats.