Visitors take a guided tour of the Barringer Meteorite Crater in northern Arizona.

American South

Big Boom: The Best Places to See Meteorite Impact Craters

Ancient impacts changed landscapes and perhaps even the course of evolution—here’s where to see the coolest craters this summer

Move Over, Madagascar: This Island Has the World’s Greatest Concentration of Unique Mammals

The majority of them are found nowhere else on Earth, making Luzon a biological treasure trove

Giant sauropods' feet didn't just leave footprints for future paleontologists to find, but changed landscapes entirely.

Journey to the Center of Earth

Dinosaurs Literally Reshaped The Planet

Dinos didn’t just leave behind footprints and fossil bones—they also changed the landscapes in which they lived

Ducks: We rule the world.

Defying Stereotypes, Ducklings Are as Clever as They Are Cute

Newborn ducks understand abstract concepts such as sameness and difference with no training whatsoever

Two skulls belonging to extinct marine mammal herbivores used in the new study, both from the Smithsonian's collections.

When Did Today’s Whales Get So Big?

More recently than you might think, say scientists who scoured the fossil record

Illustration of Gualicho shinyae hunting with its jaws, not arms.

Arm Day at the Gym Apparently Not a Thing for Newly Found, Tiny-Armed Dino

Turns out T. rex doesn’t have a copyright on those adorably awkward, itty-bitty arms

A male greater sage-grouse dances for a female.

Age of Humans

New Schemes Pay You to Save Species—But Will They Work?

Programs being set up in the American West are taking a radical new approach: paying landowners to preserve animal habitat.

Participants in "The Leading Strand" project share their prototypes with each other.

Art Meets Science

Here’s What Happens When Neuroscientists and Designers Team Up to Explain Scientific Research

A new interdisciplinary project results in a moving sculpture, an animated piece, a song that evolves and more

An astrophysicist makes the case that it might be worthwhile to revisit the Outer Space Treaty of 1967 to safeguard the practice of science on the lunar surface.

Can There Be Real Estate on the Moon?

A Harvard-Smithsonian astrophysicist thinks a legal crisis is waiting for us on the surface of the moon.

After the Deepwater Horizon oil blowout in 2010, rescuers rushed to save birds, like this pelican. In the end, it didn’t really matter, most birds died.

Age of Humans

Why We Pretend to Clean Up Oil Spills

Six years after Deepwater Horizon spewed oil into the Gulf of Mexico, we still have no idea what we’re doing

A fetal skull that was dissected in the 1800s, originally held in the University of Cambridge Anatomy Museum.

New Research

How Fetus Dissections in the Victorian Era Helped Shape Today’s Abortion Wars

Besides teaching us about disease and human development, they molded modern attitudes of the fetus as distinct entity from the mother

Portrait of paleontologist Mary Anning and her trusty assistant, Tray.

These Paleo Pets Made Fossil Hunting Less Lonely

In the solitary hunt for bones, furry companions provide company, act as field assistants and sometimes even make the ultimate sacrifice

The Brain-Freezing Science of the Slurpee

More than 60 years ago, a broken soda fountain led to this cool invention

New research is causing the original keystone species, the ochre sea star Pisaster ochraceus, to lose some of its supposed ecosystem-controlling powers.

Tide Shifts Against the Concept of a Keystone Species

Starfish challenge a key ecological concept, ushering in a slightly-more democratic era for tide pools everywhere

We’ve never cared less about a charismatic animal standing forlornly on a rapidly deteriorating landscape.

Podcast: Does Anybody Even Care About the Arctic Anymore?

This week’s episode of Warm Regards asks why our coldest region has gotten the cold shoulder

A brown bear hunts for salmon in Silver Salmon Creek.

Smithsonian Journeys Travel Quarterly: Alaska

Where and How to (Safely) Bear Watch in Alaska

Attacks à la Revenant are a statistical blip. An Alaska expert outlines the dos and don’ts of sharing wilderness with the state’s 133,000 bears

A map of gravity variations on the Earth's seafloor, which mostly correspond to underwater ridges and the edges of Earth's tectonic plates.

Journey to the Center of Earth

Study Says Earth’s Plate Tectonics May Be Just a Phase

New models suggest that earth’s plates could grind to a halt in about five billion years.

Expanding human populations in India have pushed tigers into small, isolated habitats—and resulted in some unusual behaviors.

Anthropocene

Sorry, Tiger Dudes: Your Ladies Are Faking It

India’s tigresses may be feigning interest in sex as the result of shrinking habitat and overlapping territories

A mudskipper clings to a rocky embankment.

Awkward Robots Show How Tails Propelled First Land Walkers to New Heights

A 3D-printed bot designed to move like amphibious fish suggests that the first land animals needed tails to climb slippery slopes

Galaxy GN-z11 seen in its youth by the Hubble telescope. GN-z11 is shown as it existed 13.4 billion years in the past, just 400 million years after the Big Bang.

Life in the Cosmos

If Telescopes Are Time Machines, the JWST Will Take Us the Furthest Back Yet

The James Webb Space Telescope promises to peer back into the making of the first galaxies

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