Spiders

Spiders' survival instinct in harsh conditions builds massive colonies.

Avicularia, a confusing genus of large "birdeater" tarantulas, gets a scientific makeover in a new study.

One autumn night while searching for spiders in his backyard, Matthew Persons came across something unexpected: a wolf spider ménage à trois.

Courtship is hard work for a male wolf spider.

Tiny spiders hatching from a "silkhenge" were captured on video for the first time.

A new leaf-mimicking spider species resembles the Sorting Hat from the Harry Potter books.

South American spider males are the only known solitary spider to engage in paternal care.

Scientists recently found a spider that uses a unique type of masquerade to hide in plain sight.

Imagine a spider as big as a child's forearm that weighs as much as a puppy. That's how huge the South American Goliath birdeater — arguably the world's largest spider — can be.

No ears? No problem. Jumping spiders can still "hear" you, and from farther away than you'd expect.

In two widow spider species, males deploy an ingenious strategy to avoid being cannibalized during sex.

Two new species of spidery cave beetle have been discovered.

For the first time, researchers have managed to breed an extremely mysterious spider known as the Montserrat tarantula in captivity.

About 99 million years ago, two bizarre spiders — each sporting hard, armored plates on their bodies and horns on their fangs — became mummified in sticky tree resin that turned into amber.

Is moving a spider outside an act of compassion, or a death sentence?