The Tetragnatha spider stretches its legs to become nearly invisible. Learn how this clever behavior helps it hunt and ...

How does a spider stretch its legs? That question is an old zoologist baffler. Spiders have no leg-stretching muscles, yet they have an unquestioned ability to unflex all eight pedal extremities.

Scientists just sequenced the first sea spider genome, uncovering genetic clues to limb growth, regeneration, and ancient ...

The spiderbot's extendable legs can grasp onto uneven rock surfaces and propel it forward. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday.

When the spider releases the pressure, the legs snap forward, propelling the spider into the air with great force. Due to their different body sizes and shapes, male and female jumping spiders ...

This is why tarantulas feature the biggest spiders on Earth, including the West African Hercules baboon spiders (Hysterocrates hercules) — hefty creatures whose legs stretch to about 8 inches ...

Tiny spiders have such huge brains for their body sizes that the organs can spill into the animals' body cavities, a new study shows. An adult female jumping spider Phidippus clarus. Photograph by ...