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Insects

A single locust swarm can comprise between four billion and eight billion individual insects.

Giant Locust Swarms Could Expand to New Areas With Climate Change, Study Suggests

In the coming decades, erratic periods of rain and drought could create new hot spots for the ravenous grasshoppers in west India and west central Asia, threatening crops and food security

Delias sambawana, a butterfly that hails from Indonesia, at the Florida Museum of Natural History.

Where Did Butterflies Come From? This Scientist Is On the Case

Akito Kawahara has spent his life devoted to lepidoptera. Now he’s correcting the record on where they first evolved

A mother humpback whale and calf are seen off the coast of Brazil.

Earth’s Migratory Animals Are in Peril, According to U.N. Report

The Convention on Migratory Species warns that many birds, mammals and fish face numerous threats, but they can be saved

In a photo illustration, a hawk moth lands on a flower with an exhaust pipe polluting the interaction.

Air Pollution Makes Flowers Smell Less Appealing to Pollinators, Study Suggests

Nocturnal hawk moths are less likely to visit primroses in air polluted by nitrate radicals, which break down important wild fragrances, researchers find

Western monarchs prefer to cluster in areas with little to no wind, high humidity, dappled sunlight and easy access to nectar-producing plants.

Monarch Butterflies Wintering in California Are Down 30 Percent From Last Year

The insects’ population is slowly rebounding from a historic low in 2020, but they remain in crisis, having declined by more than 95 percent since the 1980s

When researchers reviewed footage of flying insects, they saw that the bugs tilted their backs toward the source of artificial light.

Why Are Flying Insects ‘Attracted’ to Lights? Scientists May Finally Have an Answer

Moths and other insects might turn their backs toward the brightest source of light around—which has historically been the sky—to determine which way is up and which is down, according to a new paper

Illustration of two Caudipteryx dinosaurs drinking from a river

Scientists Build a Robot Dinosaur to Probe the Mystery of Tiny Wings

Robopteryx—a makeshift dinosaur with training wheels—offers clues to the purpose of prehistoric proto-wings, which are too small to have powered flight

An oak peacock moth lands on a window behind dancing wedding guests, illuminated in red light. This photograph won the category for butterflies and dragonflies.

See 11 Winning Images From the Close-Up Photographer of the Year Awards

Focused on little details of animals and plants, these stunning shots spotlight the world’s tiny wonders

This spring, Brood XIII and Brood XIX of periodical cicadas will emerge together for the first time since 1803.

Cicadas Are Coming: Rare ‘Dual Emergence’ Could Bring One Trillion of the Bugs This Year

The 13-year and 17-year broods that will emerge from underground this spring will be appearing together for the first time in 221 years

Paola Magni in 2022, taking a water sample from Italy’s Lake Bracciano—the site of the mysterious death of a local teenager, ten years before.

The Scientist Using Bugs to Help Solve Murders

At crime scenes around the world, the forensic entomologist Paola Magni is taking her field into uncharted waters

A turtle appears to smile as a dragonfly alights on its nose.

See 25 Breathtaking Images From the Wildlife Photographer of the Year Contest

Representing some of the world’s best nature photography, the pictures are being put to a popular vote for the People’s Choice Award

Matabele ants will tend to the wounds of their nest-mates that have had their legs bitten off by termites.

These Ants Can Diagnose and Treat Their Comrades’ Infected Wounds

Matabele ants in sub-Saharan Africa often sustain injuries while hunting termites—and their survival strategy may help humans fight infections, too

Monarch butterflies' signature white spots could help them fly—and inspire better drones.

Seven Scientific Discoveries From 2023 That Could Lead to New Inventions

Biologists learned lots about animals and plants this year, and their findings could inspire better robots, medicine and environmental technologies

Female mosquitoes need to drink blood in order to produce their eggs.

Male Mosquitoes May Have Once Sucked Blood, Amber Fossils Suggest

Today, only female mosquitoes feed on the blood of animals, while males are satisfied with plant juices

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.

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