Insects

Why can't machines process CO2 the way trees do?

Why Can't Machines Process CO2 Like Trees? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Contact between Europeans and Native Americans is recorded in the DNA of head lice.

When Did Humans Arrive in the Americas? Lice Help Answer That Head-Scratcher

A new analysis of the annoying critters shows when groups from Asia and Europe hitched rides on human hair and skin to arrive on our continent

A Mediterranean fruit fly (Ceratitis capitata), also known as a medfly

Millions of Sterile Fruit Flies Will Soon Be Dropped on Los Angeles

The influx of insects is meant to combat the invasive medfly, after officials identified two of the produce-destroying creatures in the area

The annual Woolly Worm Festival is a fiercely popular local event that’s been going on for nearly half a century.

Groundhogs Are Old News. In This Tiny Town, Caterpillars Predict the Weather

Thousands of people flocked to Banner Elk, North Carolina, this year to watch the nation’s biggest woolly worm caterpillar race

Aedes aegypti mosquitoes can spread dengue fever to humans via bites.

'Extremely Rare' Case of Locally Acquired Dengue Fever Detected in California

Officials say the risk of exposure to the virus, which is spread by mosquito bites, is very low for residents

Billions of periodical cicadas emerge every 13 or 17 years in the eastern United States, creating an all-you-can-eat buffet for birds.

Huge Cicada Broods Have Ripple Effects on Birds, Caterpillars and Trees

When Brood X emerged in 2021, scientists measured how the influx of billions of insects affected the ecosystem near Washington, D.C.

These blue and white layers make up crystallized sugar syrup.

These Ten Stunning Images Prove That Small Is Beautiful

Selects from Nikon’s Small World Photomicrography Contest capture the elegance of insects, slime molds and more

Gene-editing silkworms produced this spider silk.

Genetically Modified Silkworms Can Produce Spider Silk That's Stronger Than Kevlar

The sturdy, biodegradable fibers could one day be used for surgical sutures or armored vests

With their mating season approaching, two male Nubian ibex fight for supremacy on a cliffside. The photograph won the Animals in their Environment category.

See 12 Winning Images From the Wildlife Photographer of the Year Contest

The stunning entries showcase the behaviors of ancient and elusive species, from horseshoe crabs to tapirs and orcas—as well as the threats they face

Many species of insects work together to ensure safety while on the move or to defend their homes.

Four Unusual and Amazing Ways That Insects Team Up

The invertebrates create elaborate structures to escape danger and shimmer in synchronized performances to confuse predators

Having native plants in a garden can create a good environment for caterpillars, which are hearty food for birds

Why You Should Grow Native Plants in Your Garden

Entomologist Doug Tallamy explains how doing so can help insects and birds

Beekeepers Terri Faloney, left, and Tyler Trute collect bees after an accident in Ontario, Canada, set loose five million honeybees.

Five Million Bees Fall Off a Truck in Canada

Local beekeepers rushed to the scene to help collect as many of the disoriented insects as possible

A zoo employee weighs a meerkat during the annual weigh-in.

London Zoo Weighs All 14,000 of Its Animals, 'From the Tallest Giraffe to the Tiniest Tadpole'

The annual measurements help zookeepers track each animal's health over time

An X-ray microcomputed tomography scan of a male Eucera bee mummified inside a cocoon.

Paleontologists Discover Mummified Bees Preserved in Their Cocoons for 3,000 Years

Some kind of "catastrophic" event, such as a sudden freeze or flood, likely killed all the young adult bees at once, according to a new study

The yellow-legged hornet, native to Southeast Asia, has invaded other parts of Asia and Europe and feeds on insects, including honeybees.

Invasive Yellow-Legged Hornet Spotted in the U.S. for the First Time

The insect, detected in Georgia, can snatch bees from the air while hunting, posing a threat to native pollinators and agriculture

The so-called puss caterpillars have sharp spines that can inject powerful venom into humans.

Scientists Reveal Why Asp Caterpillar Stings Are So Excruciatingly Painful

A toxin in the insect's venom, which can punch a hole in cell walls, could inspire new drug-delivery methods in humans

Female Anopheles mosquitoes infected with the parasite that causes malaria can spread the disease to humans through a bite.

Malaria Spread in the U.S. for the First Time Since 2003, CDC Says

Five infections caught locally in Florida and Texas have prompted health alerts from state and federal agencies

The white spots on the edges of a monarch butterfly's wings might give it an advantage while migrating, according to new research.

Monarch Butterflies’ Signature White Spots May Help Them Fly

These long-distance migrants could get a boost from their striking coloration, which may reduce drag by heating and cooling air unevenly

Mormon crickets, present in several states across the U.S., are linked to crop damage and can be a nuisance.

Mormon Crickets Are Creating Havoc in Nevada

In Elko, the insects have caused accidents on roads and problems in town

Christopher Heckscher, ornithologist by day and firefly hunter by night, at work in the Nanticoke Wildlife Area, Delaware.

The Illuminating Science Behind Fireflies

A dedicated ornithologist with a passion for lightning bugs scours bogs and beaches to discover previously unknown species

Page 2 of 31