Investigate

Francisco J. Ayala, Famed Biologist, Resigns After Sexual Harassment Inquiry

The Evolutionary Origin of Descending Testicles

A Galaxy Far, Far Away

He Died at Pompeii, but His Head Wasn’t Crushed by a Block

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

Crows Learn More About Toolmaking

Bumblebees Thrive in the City but Struggle on the Farm

NASA Again Delays Launch of Troubled Webb Telescope; Cost Estimate Rises to $9.7 Billion

Oumuamua Is a Comet, Really.

How Spiders Use Silk to Fly

How Spiders Fly

Hayabusa2’s Photos of Asteroid Ryugu

Japan’s Hayabusa2 Spacecraft Creeps Up on the Ryugu Asteroid

Some Birds Are Better Off With Weak Immune Systems

This Coral Must Die

Let the Stream Run Through It

How DNA Databases for Trees Could Be Used to Fight Illegal Logging

Extinct Gibbon Found in Tomb of Ancient Chinese Emperor’s Grandmother

Magnetic Sense Helps Billions of Moths on an Australian Migration

Inside the Nose of an Elephant

The Elephant’s Superb Nose

Sea Stars Started Dissolving. What Helped Some of Them Survive?

Kellogg’s Honey Smacks Cereal Recalled Over Salmonella Outbreak

Share Daylight With Humans? Many Animals Would Rather Sleep, Study Finds

Black Hole Drags Star To Dusty Death

Using Harpoon-Like Appendages, Bacteria ‘Fish’ for New DNA

This Burrowing Clam Is Not Boring. It Uses Acid to Make Its Home.

Asteroids and Adversaries: Challenging What NASA Knows About Space Rocks

Listen to the Sounds of Narwhals That Have Been Elusive to Science

A Crispr Conundrum: How Cells Fend Off Gene Editing

Last March of the ‘Wooden Elephants’: Africa’s Ancient Baobabs Are Dying

How Universities Deal With Sexual Harassment Needs Sweeping Change, Panel Says

Do You Know What Lightning Really Looks Like?

Salmonella Outbreak That Sickened 60 Is Linked to Pre-Cut Melons

This Device Helps Fish Make It Out of the Twilight Zone Alive

Hot Heads: Why Mammals Need R.E.M. Sleep

Stick Insects Are Easy Bird Food, and That Might Help Them Reproduce

This Knife-Wielding Mini-Monster Wants You to Back Off

China’s Giant Salamanders Pose a Conservation Conundrum

Ladybugs, Aphids and the Toxic Combat That Might Be Happening in Your Garden