Climate Change

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Photograph of a flying bee heading toward a mustard plant with yellow blossoms. In the background are grey clouds and blue sky.

Air pollution makes it harder for bees to smell flowers

Contaminants can alter plant odors and warp insects’ senses, disrupting the process of pollination

A brightly colored butterfly sits on a flower, feeding.

The secrets of butterfly migration, written in pollen

Trillions of insects move around the globe each year. Scientists are working on new ways to map those long-distance journeys.

Photograph of a pile of oyster shells with water in the background.

Food & Environment

Shucking the past: Can oysters thrive again?

Dredging and pollution devastated the once-bountiful reefs. Careful science may help bring them back.

A condor spreads its wings on the summit of a mountain.

Food & Environment

Return of the California condor

North America’s largest bird disappeared from the wild in the late 1980s. Reintroduction work in the United States and Mexico has brought this huge vulture back to the skies. This is the story of its comeback.

Conceptual illustration shows various wildlife species situated around an analog clock. There is some DNA wound around the clock.

Living World

The clock is ticking: How epigenetics could help save wildlife from collapse

In polar bears, dolphins, baboons and more, molecular signatures of aging are changing how conservationists assess population health, resilience and risk

Close-up of an alligator partially submerged in green water with only its snout and eyes visible.

Food & Environment

Tracking down the hidden pollutants that make wildlife sick

A new technique for detecting unknown and unlooked-for chemicals is revealing dozens of contaminants in alligators, sea lions and condors

Photo of a handsome stripy frog sitting upright on what looks like some moss.

Living World

Animals that eat poisons and don’t die

Critters consuming species that contain deadly toxins have evolved a suite of clever strategies to keep out of harm’s way

Photograph of a female earwig carefully grooming a cluster of pale eggs.

Living World

She ain’t scary, she’s my mother

Elaborate courtship, devoted parenthood, gregarious nature (and occasional cannibalism) — earwigs have a lot going for them

Living World

What makes a tree a tree?

Despite numerous studies and 30-plus genomes under their belts, scientists are still struggling to nail down the defining traits of these tall, long-lived, woody plants

A drone hovers over two blue whales, a mother and baby, as they swim side by side.

Technology

Flying with whales: Drones are remaking marine mammal research

From collecting whale snot to capturing surprising behaviors, aerial drones are giving scientists a new view of life at sea

Photograph shows a close-up of an Aedes aegypti mosquito perched on a leaf.

Health & Disease

Beating back the Aedes aegypti mosquito

Scientists are taking a multipronged approach to tackle this dangerous carrier of dengue, yellow fever and other noxious viruses

A view from the ground of several bats flying in a clear blue sky. Their dark bodies and delicate wing bones stand out against their cream-colored wings.

Health & Disease

How bats keep viruses at bay

Bats cope with myriad viruses, including the one causing Covid-19, with few ill effects. Scientists are probing their immune systems to fathom how they do it. The answers might help infected people, too.

Black silhouettes of dead trees stand out against a pinky orange sky

Food & Environment

Ghost forests are growing as sea levels rise

As trees choked by saltwater die along low-lying coasts, marshes may move in — for better or worse, scientists are learning

Photograph shows many dark brown bed bugs clustered together.

Health & Disease

Getting rid of bed bugs: Trickier than ever

The blood-sucking insects now show up in two varieties and are resistant to many pesticides. New eradication strategies include fungal spores and nasty human odors.

A curled-up dormouse sleeping in a nest of grass

Living World

The strange animals that control their body heat

Some creatures can dramatically alter their internal temperature — a strategy called heterothermy — and outlast storms, floods and predators

Photograph of sandy sea bottom covered in round nodules. The light is dim and greeny blue.

Physical World

Mining the deep ocean

Renewable technologies need a multitude of critical minerals. The seabed could supply these riches. But at what cost?

A hammerhead shark swims in the ocean; behind it, a school of fish can be seen.

Food & Environment

A scientific mission to save the sharks

Despite increasing protection measures, these fish are among the world’s most endangered animals. New tests to detect species being traded, as well as population studies, aim to help save them.

Photograph of many, many, many, many fishes.

Food & Environment

Not enough fish in the sea

The scientist who found a way to tally up global catches is an ocean advocate and a vocal critic of industrial fisheries. Now we have a treaty for the high seas — but does it go far enough?

Food & Environment

How new fishing tech can reduce bycatch of turtles and other creatures

Nets equipped with water bottles and other tricks can help save some species, while allowing fisherman to still catch others

Black-and-white collage of beautiful small shells

Living World

The history of the ocean, as told by tiny beautiful fossils

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past. They can help predict the future, too.

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Climate Change

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