Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Science

A collection of Hominin teeth used to determine the rate of tooth evolution among human ancestors.

The Teeth of Early Neanderthals May Indicate the Species’ Lineage Is Older Than Thought

Some of the oldest known Neanderthal remains include teeth that could push back the split with modern human lineages, but not all scientists are convinced

Large ant colonies with tens or hundreds of thousands of members engage in all-out war with other colonies as they compete for resources.

When It Comes to Waging War, Ants and Humans Have a Lot in Common

In both humans and social insects, the capacity to engage in total war seems to hinge on population numbers

None

Are Birds Dinosaurs and Your Other Questions Answered

Cat-loving paleontologist answers your questions in the National Museum of Natural History’s YouTube series, “The Doctor Is In.”

Mosquito-borne diseases, such as Zika, malaria and Rift Valley Fever, threaten billions of people around the world.

How Scientists Use Climate Models to Predict Mosquito-Borne Disease Outbreaks

The ebb and flow of rainy seasons corresponds with the hatching of millions of mosquitoes—and the spread of diseases they carry

Bald cypresses along the Black River in North Carolina.

North Carolina Bald Cypresses Are Among the World’s Oldest Trees

Some of the trees along the Black River provide a window into climates dating back thousands of years

Life reconstruction of the bizarre membranous-winged Ambopteryx longibrachium.

Newly Discovered Bat-Like Dinosaur Reveals the Intricacies of Prehistoric Flight

Though Ambopteryx longibrachium was likely a glider, the fossil is helping scientists discover how dinosaurs first took to the skies

A starfish floating on the coral reef, Dominican Republic.

One Million Species at Risk of Extinction, Threatening Human Communities Around the World, U.N. Report Warns

A global assessment compiled by hundreds of scientists found that humans are inflicting staggering damage on the world’s biodiversity

Scallops can have up to 200 eyes, although scientists still don't know exactly how they all work together to help the mollusks see.

What Scallops’ Many Eyes Can Teach Us About the Evolution of Vision

Scallop eyes, which function similar to telescopes, are even more complex than scientists previously knew

Even large equines can get a little hoarse.

New Research

Even Mild Cases of Asthma Can Slow Down Elite Racehorses

Researchers found 80 percent of racehorses surveyed suffered from airway inflammation that impacts performance

Scanning electron micrograph of HIV-1 (in green) budding from cultured lymphocyte (a type of white blood cell). Multiple round bumps on cell surface represent sites of assembly and budding of virions.

Scientists Identify Factors That Make People Naturally Resistant to H.I.V.

Studying key points on the H.I.V. virus that are weak to immune system attacks could lead to new treatments or H.I.V. vaccines

The first test of a thermonuclear weapon, or a hydrogen bomb, codenamed Ivy Mike and conducted by the United States in 1952 over the island of Elugelab in Enewetak Atoll in the Pacific Ocean.

Particles From Cold War Nuclear Bomb Tests Found in Deepest Parts of the Ocean

Crustaceans in the Mariana Trench and other underwater canyons feed on food from the surface laced with carbon-14 from Cold War bomb tests

The fossil Eremotherium was from south Georgia. And it was an important one, since it firmly establish the presence of the giant ground sloth, which had previously been unknown in the United States.

A Giant Sloth Mystery Brought Me Home to Georgia

A new book from former Smithsonian Secretary Wayne Clough describes his journey into the collections in search of connections to his heritage

NASA Administrator Jim Bridenstine talks about getting American astronauts to the moon in the next five years while participating in a Future Con panel discussion at Awesome Con.

Future Con

This Year’s Future Con Showcased Cutting-Edge Science and Real-Life Superheroes

A part of Washington, D.C.’s Awesome Con, the dynamic presentation series blends entertainment and education

None

Smithsonian Voices

Was the Loch Ness Monster a Plesiosaur and Other Questions From Readers, Including Slash (Yes, THE Slash)

Cat-loving paleontologist answers your questions in the National Museum of Natural History’s YouTube series, “The Doctor Is In”

A map of DNA with the double helix colored blue, the landmarks in green, and the start points for copying the molecule in red. David Gilbert/Kyle Klein, CC BY-ND

New Nanotechnology Imaging Technique Sheds Light on DNA Structure

The new technology could help pinpoint how errors occur in DNA replication, which can cause cancer and other diseases

Argali are the largest wild sheep in the world, weighing up to 400 pounds.

The Decades-Long Effort to Protect the World’s Largest Sheep

In the Gobi Desert, where argali roam, a group of Mongolian researchers work to conserve the wild sheep populations

"I certainly see ourselves moving in a direction where conception through sex will come to be seen as natural, yet dangerous," says Metzl.

How To Prepare for a Future of Gene-Edited Babies—Because It’s Coming

In a new book, futurist Jamie Metzl considers the ethical questions we need to ask in order to navigate the realities of human genetic engineering

Page 106 of 457