Between July 1776 and June 1826, Jefferson recorded weather conditions in 19,000 observations across nearly 100 locations.

Discover Why Thomas Jefferson Meticulously Monitored the Weather Wherever He Went

The third president knew that the whims of nature shaped Americans’ daily lives as farmers and enslavers

A young chimpanzee looks on during an outing to an island in the Douala-Edea National Park in Cameroon, on December 15, 2024.

From Chimps Eating Medicinal Plants to Footprints Tracking Our Early Relatives, Here Are the Most Significant Human Evolution Discoveries of 2024

Smithsonian paleoanthropologists explore how the year brought us closer to understanding ancient human relatives and origins

In 2024, engineers used a fluorescent protein found in some jellyfish to create a non-toxic spray that highlights fingerprints at a crime scene.

Seven Scientific Discoveries From 2024 That Could Lead to New Inventions

From indestructible tardigrades to body-merging comb jellies, animals can teach humans so much about medicine, robotics, aging and survival

Find your nearest dark-sky site and mark your calendars for these stunning astronomical spectacles in 2025.

11 Dazzling Celestial Events to See in 2025, From a Total Lunar Eclipse to Rare Planetary Alignments

Keep your eyes on the sky this upcoming year for a chance to spot breathtaking meteor showers, a special view of Saturn and a blood-red moon

Some people are genetically built to require less sleep than the rest of us.

Why Do Some People Thrive on So Little Sleep?

Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects

Though they feed along coral reefs, hawksbills return to the beach to nest. Shane Gross, recently named 2024 Wildlife Photographer of the Year, captured this image in Barbados.

Can a New DNA Database Help Save This Incredible Sea Turtle?

The shells of the hawksbill sea turtle have been used for luxury items for centuries, but with the species now endangered, new technology is pinpointing where protections are needed most

A scorpionfish swims along an unnamed seamount on the Nazca Ridge in the Pacific Ocean.

The Ten Most Awe-Inspiring Ocean Moments of 2024

From animal journeys across oceans to the discovery of dozens of new species in the deep sea, these stories wowed us

Stories in a wide variety of scientific disciplines made our list this year.

The Ten Most Significant Science Stories of 2024

From a total solar eclipse that captivated our continent to record temperatures that scorched the planet, these were the biggest moments of the year

Paleontologists made discoveries about a wide variety of dinosaurs over the past 12 months.

The Top Ten Dinosaur Discoveries of 2024

From the realization that paleontologists still haven’t found the biggest dinosaurs to the unearthing of a small burrowing dino, the year has been marked by awe-inspiring finds

The life spans of these animals amaze scientists.

From Giant Tortoises to Immortal Jellyfish, These Impressive Animals Are Eight of the Longest-Living Species on Earth

Aging gracefully comes naturally to these creatures, which can live for hundreds, and sometimes even thousands, of years

Scientists have discovered the strongest evidence yet that healthy vertebrates can have brain microbiomes.

Fish Have a Brain Microbiome. Could Humans Have One Too?

The discovery that other vertebrates have healthy microbial brains is fueling questions about our own brains

More than 3,000 known dragonfly species exist.

14 Fun Facts About Dragonflies, From Their Lethal Hunting Prowess to Incredible Migratory Feats

The colorful insects can help humans by eating mosquitoes and will gather in mysterious swarms

Smithsonian magazine’s top science titles this year.

The Ten Best Science Books of 2024

From a deep dive on a fatal space shuttle disaster to a study of a dozen iconic trees, these are our favorite titles this year

Ships float in Aasiaat’s harbor.

As Greenland’s Ice Sheet Melts, an Island Town Rises

Geologists are working with local communities to determine how residents can adapt as the area’s sea level, in effect, goes down

The plant-based egg substitutes available today are less than perfect. Food scientists are working hard to improve them — and, maybe, make them better tasting and more nutritious than the real thing.

Scientists Are Trying to Crack the Recipe for the Perfect Plant-Based Eggs

With new ingredients and processes, the next generation of substitutes will be not just more egg-like, but potentially more nutritious

The products range from programmable rovers to books that introduce the terminology of robotics and circuitry to childen.

Engineers Choose the Ten Best STEM Toys to Gift in 2024

Creative circuitry and rolling robots make up this year’s top toys for teaching kids to love science, technology, engineering and math

A painted lady perches on a flower.

Where Do Butterflies Migrate From? Clues Can Be Found in Pollen on Their Bodies

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

Over the last few decades, wild turkeys have moved into cities, where they thrive thanks to few predators, abundant food and plenty of space to roam and roost.

Why Are Urban Turkeys Thriving?

As many wild populations decline, some city dwellers flourish—and may become a source for reintroductions to rural areas

Straw-colored fruit bats typically start drifting into the park around October and leave in January.

The World’s Largest Mammal Migration Is Taking Place in Zambia Right Now

Each year, millions of straw-colored fruit bats descend on Kasanka National Park for a few months, and scientists are working to understand their mysterious journey

An earwig with eggs

A Deep Look Into the Wacky and Wild Lives of Earwigs

The insects participate in elaborate courtships, are devoted parents, occasionally eat each other and have a gregarious nature

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