24 October 2014, 04:14 PM ET
Researchers have developed a new technique that helps them peer into the brain of a jumping spider, an arachnid famed for its excellent vision, and record how the brain cells in its visual system process images.
21 October 2014, 03:52 PM ET
Spiders — whether you abhor them or adore them, you certainly can't ignore them. We asked our readers to send us their coolest arachnid photos, and they happily obliged.
17 October 2014, 07:42 PM ET
Entomologist Piotr Naskrecki was taking a nighttime walk in the rainforest in Guyana, when he came across a "Goliath birdeater," possibly the world's largest spider.
17 October 2014, 06:20 PM ET
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.
10 September 2014, 04:43 PM ET
Claims that a woman in England found deadly spider eggs on her bananas might be bogus.
26 August 2014, 07:01 PM ET
Yes, spiders can have personalities. And new research finds that these personalities assert themselves when spiders find their niches in social groups. The study suggests an evolutionary reason for the development of personality.
24 August 2014, 08:34 PM ET
Find yourself thinking that the spider living in your garden is the biggest you’ve ever seen? You could be right.
20 August 2014, 03:29 PM ET
Perhaps even creepier than spiders are city spiders. New research has found the humped golden orb-weaving spider grows larger and produces more eight-legged babies in urban areas.
09 July 2014, 09:27 AM ET
The gait of a 410-million-year-old precursor to spiders has been recreated based on fossilized specimens.
16 June 2014, 03:01 PM ET
Female spiders that live socially in colonies may adopt "warrior" or "nanny" roles, similar to how insects can form soldier and worker castes, researchers say. These findings could shed light on how differences in personalities can help divide up labor.
29 May 2014, 11:57 AM ET
Many animals camouflage themselves to avoid being eaten by predators, but few are as strange as a spider that disguises itself as bird poop.
27 May 2014, 11:17 AM ET
A spider's fangs are natural injection needles, making them perfectly suited for piercing the skeletons of their prey and delivering a kiss of venom.
02 May 2014, 01:52 AM ET
Recently, the car manufacturer Mazda recalled 40,000 cars because of a “spider invasion.” This is not the first time it has happened with Mazda cars. In 2011, a similar reason was given for recalling 52,000 cars.
23 April 2014, 01:11 PM ET
Certain female spiders are infamous for eating their partners after sex, but some actually pounce on suitors, fangs first, before mating ever occurs.
10 April 2014, 12:28 PM ET
A 305-million-year-old harvestman fossil, ancestor of modern day arachnids, is more closely relates to the scorpion than spiders. Scientists discovered unusual features: it has 2 sets of eyes on the center and lateral sides of the body.
01 April 2014, 09:55 AM ET
Nothing strikes fear into the hearts of more people than spiders. The eight-legged beasts boast a menacing appearance, and some of them pack a deadly, poisonous bite.
03 February 2014, 11:03 AM ET
For some spider suitors, the arachnid equivalent of a box of chocolates is an insect wrapped in silk. New research shows it's not just the gift but also the color of the wrapping that can seal the deal among one species.
16 January 2014, 07:01 PM ET
Miley Cyrus may have made "twerking" a household word, but male black widow spiders are the real masters of the rump-jiggling dance move. These arachnids twerk their abdomens to avoid getting eaten by potential mates.
14 January 2014, 04:05 PM ET
A tiny, unassuming spider in the Peruvian Amazon uses its entire web as a slingshot to capture slow-moving insects such as mosquitoes.
03 January 2014, 03:17 PM ET
Strange circular towers found in the Amazon jungle were made by spiders to hatch their eggs, new research found. But the spider species that made the towers remains a mystery.
06 November 2013, 11:18 AM ET
Scientists discovered an "odd-clawed" spider that traps its prey using a fascinating ladder-shaped web.
16 October 2013, 01:15 PM ET
The discovery of a fossilized brain in the preserved remains of an extinct "mega-clawed" creature has revealed an ancient nervous system that is remarkably similar to that of modern-day spiders and scorpions, according to a new study.
31 July 2013, 03:46 PM ET
The unobtrusive little arachnid is a wandering spider that catches prey without weaving a web.
05 July 2013, 07:17 AM ET
An electric field may nudge threads of spiderwebs closer to each other to better trap charged bugs such as honeybees, new research suggests.
17 June 2013, 05:20 PM ET
Tough love: After mating, male fishing spiders spontaneously die.
28 May 2013, 07:02 PM ET
Spiders have spatial learning abilities, new research finds.
15 March 2013, 03:19 PM ET
Every continent except Antarctica boasts spiders that eat bats.
10 January 2013, 04:07 PM ET
The electrical conductivity of the new fibers is on par with copper, gold and aluminum wires.
17 October 2012, 02:04 PM ET
Not all spider eyes are created equal.
25 September 2012, 12:17 PM ET
Above average temperatures across the nation led to more insects.
19 September 2012, 07:03 PM ET
It's a tarantula the size of a dinner plate, known to eat birds.
13 September 2012, 05:13 PM ET
Snakes eat birds, which eat spiders. No birds, more spiders.
05 August 2012, 09:24 AM ET
Landing on Mars, building sandcastles and a clickable Internet Map top our choices of cool science this week. See what else we found.
25 July 2012, 08:30 AM ET
What we do know about spiders and other arachnids: They are very diverse.
24 July 2012, 12:01 PM ET
More than 43,000 spider species are known and at least that many remain undiscovered, they say. Catch a glimpse of their incredible diversity.
02 July 2012, 10:21 AM ET
The brown widow spider is encroaching on black widow territory, a new study suggests.