Spider Sense: Fast Facts on Extreme Arachnids. Catch a glimpse into a spider's world with these juicy bites below.

Spider monkeys have a long gestation period, from seven to 7.5 months. They don’t have a single breeding season, but an individual spider monkey will wait about two to four years before giving ...

Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.

Japanese spider crabs live on the Pacific side of Japan as far south as Taiwan and at chilly depths ranging from 164 feet to as low as 1,640 feet. (They spawn at the shallower end of that spectrum.) ...

The Goliath birdeater is the king of spiders. Weighing up to six ounces and with a leg span of nearly a foot, this tarantula is the largest arachnid on the planet. Goliaths don’t usually eat ...

8. Spiders have inspired their own dance. During the 16th and 17th centuries it was believed that a bite from a species of wolf spider (named “tarantula,” found in the Taranto region of Italy) would ...

Portrait photographer Joseph Schifferdecker was walking down a street in Cambridge, Massachusetts, in September, scouting for backdrops, when his client pointed out “the biggest spider they’d ...

Follow our National Geographic-The North Face team on a seven-week expedition in Myanmar (Burma) to attempt to determine the tallest peak in Southeast Asia. The adventure will take them overland ...

That's because fish-eating spiders are generalist predators—they'll go for nearly anything that moves. Most of the time, that means their meals are insects that have fallen into the water.

Other adaptations. Sight isn’t the only feature nocturnal animals rely on. Some depend on other senses to adapt to the darkness. Animals like owls and large cats have specialized hearing to hunt ...

Atlantic horseshoe crabs, which predate dinosaurs, are closely related to spiders and scorpions. Photograph by Joel Sartore, National Geographic Photo Ark Please be respectful of copyright.

All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an exoskeleton, one ...