Search results for Arachnid

Evolution May 7, 2026

Ancient sea fossils indicate millipede and centipede ancestors evolved their legs while still underwater

The myriapoda group of arthropods includes the many-legged centipedes and millipedes that most people are familiar with. Although myriapods are all terrestrial creatures, researchers are unclear about when and how they evolved ...

Plants & Animals Apr 28, 2026

Scorpions' weapons are fortified with metal to suit their needs, research shows

Scorpions wield some of the natural world's most formidable built-in weapons, from crushing pincers to venomous stingers. Scientists have long known that these structures contain trace metals that strengthen them, but only ...

Paleontology & Fossils Mar 27, 2026

Exotic harvestmen once lived in Europe

A German-Bulgarian research team led by SNSB paleontologist Christian Bartel has discovered a new species of harvestman in 35-million-year-old Ukrainian and Baltic amber. The animal is related to harvestmen that are now extinct ...

Plants & Animals Mar 2, 2026

Scared of spiders? The real horror story is a world without them

Members of the arachnid class—think spiders, scorpions and harvestmen (daddy long legs)—are often the targets of revulsion, disgust and fear. Yet, they are crucial for ecosystems to thrive. Given the crash in worldwide biodiversity, ...

Plants & Animals Mar 2, 2026

Eye-tracking study explores fear of spiders

Whether it's a sudden dash across the garage or silhouette in a backyard web, spiders evoke fear in many people. But researchers don't have a clear picture of why, exactly, this phobia is so common. An interdisciplinary team ...

Plants & Animals Feb 26, 2026

Brown recluse spiders rare in Florida and reluctant to bite, study finds

A newly published study co-authored by University of South Florida alum Louis Coticchio and USF integrative biologist Deby Cassill challenges long-standing assumptions about the brown recluse spider, finding the species is ...

Plants & Animals Feb 15, 2026

Field observations and computer modeling help predict the world's deadly scorpion hotspots

An international team of scientists has identified how to pinpoint and predict hotspots for some of the most dangerous species of scorpion in the world. The researchers have established the key environmental conditions that ...

Plants & Animals Jan 26, 2026

Harvestmen arachnids apparently use fluorescent patterns for species recognition

A research team from Munich has identified a previously unknown communication mechanism in harvestmen. Five closely related species show species-specific, strongly fluorescent structures on their backs that become especially ...

Plants & Animals Jan 6, 2026

Environmentalists sue feds to protect 'prehistoric' crabs that frequent South Carolina coast

Environmentalists are suing the federal government over what they say is a failure to protect the horseshoe crab, a prehistoric-looking species that is important to the survival of shore birds in South Carolina and other ...

Plants & Animals Jan 5, 2026

Butterflies, snakes and flowers: In rugged Baja canyons, scientists unlock an unsung region's biodiversity

Sulfur butterflies glide across Zorrillo Canyon, hundreds of them, moving back and forth against the cerulean sky. It's nothing short of a fairy wonderland for the scientists below.

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