Skip to Content

Your Dementia Risk Is Higher If Your Spouse Has It—But It’s More Than Shared Lifestyle

A new study looked at almost one million married couples and found dementia clustered among couples. Shared lifestyle doesn’t explain everything.

Why Are We Using Machines to Study Our Inner Lives?

Increasingly scientists are testing chatbots rather than humans in experiments

How Tunas Evolved to Become an Apex Predator of the Sea

Contrary to popular belief, it had little to do with the dinosaur-killing asteroid

Latest Stories

The Avocados That May Save Us from a Guacamole Apocalypse

Tracing the roots of diversity in the coveted fruit in Central America

Plants and Their Ants: When Flora and Fauna Team Up

Mutualistic partnerships between species abound across nature—but it’s a tricky dance to make sure both parties keep pulling their weight

Record of Human Migration Hiding in the DNA of a Musky Rodent

The Asian house shrew stowed away on routes of human commerce for millennia

Read Stories from Our Newest Print Issue: Precarious

See more

The Cephalopods Are Coming

Fossil records reveal Earth’s mass extinctions are followed by a rise of ocean cephalopods. They’re rising again.

Schrödinger’s Kittens Are All Grown Up

Offspring of the most famous thought experiment in physics are now testing the very fabric of the universe

The Most Precarious Day in the Universe

On the same day the world descended into war, physicists saw reality itself unraveling

How Mariner 4 Rewrote What We Know About Mars

It killed the dreams of science-fiction fans, but kick-started decades of Martian exploration

When Galaxies Clash

Is a new image of star systems colliding a vision of our Milky Way’s future?

The Loving Embrace of the Milky Way

Researchers have discovered that our galaxy’s outermost spiral arms are wide open and farther away than we thought

How Hannibal’s War Elephants Helped to Determine His Route Through the Alps

When you go into battle with nearly 40 gigantic pachyderms, you need to take the shortest path possible

The Rabies Vaccine Debuted Nearly 150 Years Ago Today

Pioneering microbiologist Louis Pasteur helped save the life of a dog-bitten boy

This Was a Big Week for Marie Curie, More Than 120 Years Ago

Despite steep odds, she became the first woman in France to earn a doctorate in science

Get unlimited, ad-free Nautilus. Become a member today.

What Satellite Photos of Penguin Poop Tell Us About Earth’s Health

Climate change is painting with an Adélie penguin palette on Antarctic ice floes

The Bird-Singing Contests That Are Fueling a Conservation Crisis

Millions of Southeast Asian songbirds are trapped and trafficked every year

When Monkeys Enter the Uncanny Valley

3-D avatars of macaques fool their flesh-and-blood counterparts—up to point

New, Orange-Lipped Monkey Discovered in Africa

It’s one of only a handful of new monkey species identified on the continent in the last 75 years

What a Picture of a Dog Has to Do with Reason and Logic

People who can’t see images in their minds challenge an old philosophical standby

What Makes Humans Stupid

It takes intelligence to get things spectacularly wrong. An essay on our undoing.

Why the Cyclospora Outbreak Is Hard to Pin Down: An Intimate Encounter

The parasite has a long incubation period, which means affected people might not experience explosive diarrhea up to two weeks after exposure

Read more

See all posts

This Robot Can Flap Its Wings and Swim

Being able to both fly and swim isn’t easy—but the FAAV does it

The Warrior Life of Ancient Egyptian Princesses

These weren’t your traditional Disney princesses

Some People Are Better at Eavesdropping Than Others

New study shows what happens in our brains as we track multiple conversations