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What’s Making Duck Sounds in the Ocean? Mystery Solved

It may sound quacky, but mysterious duck-like sounds in the oceans are made by whales, a new study says.

Q&A: What Can Dog Brains Tell Us About Humans?

Canine researcher Ádám Miklósi of the Family Dog Project gets us into the head of the family pooch—and how that could help us learn about our own brains.

Hagfish Slime Could Be Eco-Friendly Fabric

A new study on the defensive goo raises new mysteries and suggests it could be an eco-friendly alternative to nylon.

“Remarkable” New Salamander Disguises Itself as a Baby

A newfound species of lungless salamander from Arkansas has escaped scientists’ attention by looking like a juvenile of another species—until now.

New Killer Sponges Found in the Deep Sea

The carnivorous invertebrates, discovered deep in the waters off California, use tiny hooks on their bodies to capture prey, a new study says.

World’s First Female “Penis” Found, in Cave-Dwelling Bugs

Four new species of cave insects in Brazil have sex-reversed genitalia, a “completely astonishing” discovery, scientists say.

Your Weird Animal Questions Answered: Love in the Animal Kingdom

With spring in the air, we answer your questions about animal romance, from elephant seals to stick insects.

Monarch Butterflies Shrink, Get Paler After Skipping a Meal

Brilliantly colored monarch butterflies literally are what they eat—and missing even one meal can be harmful, a new study says.

Ancient Daddy Longlegs Had Extra Set of Eyes

The 305-million-year-old fossil may reveal secrets about the evolution of spider eyes, new study says.

Mystery Solved: Why Flies Are So Hard to Swat

Flies on the wing react to threats like fighter jets, banking away in a fraction of the blink of an eye, a new study says.

Your Weird Animal Questions Answered: Is Your Dog Part Coyote?

Is your dog part coyote? Do St. Bernards really rescue people? Get the facts on man’s best friend in this week’s column.

New Species: Pink-and-Yellow Frog With Spikes

High in the mountains of Vietnam, scientists have found a “striking” new species of pink-and-yellow frog covered with sharp spikes, a new study says.

Why Do Zebras Have Stripes? New Study Offers Strong Evidence

The zebra’s stripes evolved to keep pesky insects at bay, according to the most thorough study to date on the subject.

How an Injured Snowy Owl Got New Feathers

A snowy owl hit by a bus in D.C. has had a rough few months, but the bird is getting a makeover—including some shiny new feathers.

Your Weird Animal Questions Answered: Is a Sloth a Good Pet?

Why do dogs chase certain vehicles? Do otters or sloths make good pets? This week we answer your questions about critters closest to home—pets.