Basilosaurus hunts fish.

Ancient Whales Were the Biggest and Smallest of Their Kind to Ever Roam the Oceans

New discoveries show how whale diversity exploded after the dinosaurs disappeared

Julie Packard by Hope Gangloff is on view at the National Portrait Gallery in the new show, "Forces of Nature: Voices That Shaped Environmentalism."

Meet the Steely Gaze of Environmentalism

A new show at the National Portrait Gallery focuses on the defenders of Mother Earth over the past 150 years

A group of chimpanzees at elevation listen for rivals.

While Some Chimps Go Low, Others Go High to Avoid a Dangerous Fight

Primate groups climb to elevation to scout out rivals and steer clear of clashes

The Aftel Archive of Curious Scents has been drawing commercial perfumers with a nose for aromas, gardeners, cooks and others since 2017.

This California Museum Is Home to Hundreds of Nature’s Scents

Perfumer Mandy Aftel’s spellbinding collection of rare essences and artifacts is on display at the Aftel Archive of Curious Scents in Berkeley

A tornado churns up dust at dusk near Traer, Iowa.

How and Why Do Violent Tornadoes Form?

Scientists hope new technology and computing power will help them understand destructive twisters

A captive breeding program has seen the return of Galápagos giant tortoises to Española in the Galápagos Islands. As the tortoise population rebounds, the island ecosystem is in the process of transforming.

Galápagos Giant Tortoises Are Ecosystem Engineers

A decades-long project shows how the reptiles are changing the island of Española

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

Carved Cucurbita pepo traditionally grace stoops around Halloween.

Five Tips and Tricks for a Perfect Jack-O’-Lantern

A horticulturalist with the New York Botanical Garden provides advice for prolonging the life of your pumpkin

An experimental replica of shell beads with Natufian red organic colorant made from the roots of Rubiaceae plants

Archaeologists Find the First Red Paint Made From Plants

Hunter-gatherers cooked up the alluring pigment in the Eastern Mediterranean 15,000 years ago

A new generation of blood pressure measuring devices that don’t require an inflatable cuff around the arm may make it easier to manage hypertension.

New Devices Could Change the Way We Measure Blood Pressure

Embedded in a cellphone or in accessories such as rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension

None

How Scientists Tracked the Movements of a 17,000-Year-Old Woolly Mammoth

Isotopes tell the epic tale of one ancient mammal’s odyssey across Alaska

Can every living thing be traced to a single cell?

Can Every Living Thing Be Traced to a Single Cell? And More Questions From Our Readers

You’ve got questions. We’ve got experts

With a baby in tow, a gray-headed flying fox uses her large eyes to navigate, rather than relying on echolocation as other bat species do. 

Why Australians Are Growing to Appreciate These Giant, Threatened Bats

Once seen as a menace, the gray-headed flying fox brings new life after recent devastating wildfires

A shot of Hurricane Ian, taken from the International Space Station on September 28, 2022

Atlantic Hurricanes Are Getting More Dangerous, More Quickly

If such changes are in response to climate change, the future may feature more sudden, daunting storms

In 1980, the Viking Orbiter took 102 individual images of Mars that scientists eventually assembled into this stunning composite photo. The dark gash across the planet’s face is the Valles Marineris, a canyon that’s up to 6 miles deep and over 2,500 miles long.

The Seven Most Amazing Discoveries We’ve Made by Exploring Mars

Scientists have learned a lot since they started sending crafts and rovers to our red neighbor

The Pyramid Texts cover walls within the pyramids of King Unis (shown here) and other royals at the site of Saqqara.

Did Ancient Egyptians Know Meteorites Came From Space?

Hieroglyphic texts suggest they understood the rocks, which contained valuable iron, did not originate on Earth

An illustration of the Homo erectus child with her mother in the Ethiopian highlands, two million years ago

Two Million Years Ago, This Homo Erectus Lived the High Life

Dating of a child’s fossilized jaw and teeth suggest our relatives lived at altitude earlier than once thought

Mass Audubon's science coordinator Mark Faherty examines a horseshoe crab in Pleasant Bay, where he has conducted research on them for years.

New Synthetic Horseshoe Crab Blood Could Mean Pharma Won’t Bleed the Species Dry

The “living fossils” have been vital for testing intravenous drugs, but a few large pharmaceutical companies are using a lab-made compound instead

One of the first toothed birds ever discovered, Hesperornis paddled with its hind feet to hunt fish and evade marine reptiles in warm, Cretaceous seas.

During the Age of Dinosaurs, Some Birds Sported Toothy Grins

The often overlooked animals thrived for millions of years

A silky anteater, small enough to sit comfortably in your palm, rests in the canopy of a mangrove forest in Brazil’s Parnaíba Delta.

This Fluffy Little Anteater May Be a New Species

The animals eke out a living in a pocket of mangroves on Brazil’s Atlantic coast

Page 27 of 453