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Stories from Riley Black

How did the sabertooth cat wield its excess of tooth?

How Did Sabercats Use Those Outlandish Fangs?

We’ve barely scratched the surface of how this charismatic cat utilized its dental cutlery

Most regular visitors of Chicago's Field Museum are on a first-name basis with Sue, the Tyrannosaurus rex skeleton that adorns the museum's front hall.

From “T. Rex” to “Pantydraco”: How Dinosaurs Get Their Names

The best monikers are “a way to link science and imagination.” Others are just obvious

It may not be pretty, but meat eating has been a critical factor in creating the fossil record.

Why Paleontologists Should Love Meat-Eaters

… Particularly the ones that feasted on human flesh. Thanks, guys!

An illustration of Australia's past megafauna.

Changing Climate, Not Humans, Killed Australia’s Massive Mammals

But that mass extinction could help us predict what today’s human-wrought climate change may bring

An artist's rendering of the "badger otter."

You Wouldn’t Want to Cuddle This Giant Prehistoric Otter With a Crushing Bite

The “badger otter” has some serious teeth, which had mystified paleontologists until now

Erich Fitzgerald and Tim Ziegler with a 3D model of Alfred's skull.

The Earliest Baleen Whales Literally Sucked

No offense to toothy whale ancestors

The Field Museum's famed T-Rex Sue may be long dead, but she still requires a lot of TLC.

Preserve and Protect: How Paleontologists Care for Their Long-Dead, High-Maintenance Stars

Fossil collections are where the science of paleontology truly lives. Valuable dino bones must be treated accordingly

The well-known dinosaur skeleton known as "Big Mama" has been hiding a secret.

Fossilized Dinos Are Bones Turned to Stone—But Sometimes, Part of the Original Dino Survives

Every fossilized skeleton is a unique snowflake. We now know that some contain biological bits of tooth and claw

A spotted hyena in South Africa's Kruger National Park.

North America Used to Have its Very Own Hyena

These giggly beasts didn’t just roam Africa and the Middle East. They were right here in our backyard

Computer image of Triopticus skull overlaid on the field site where it was found.

Paleontologists Probe the Bonehead that Foreshadowed Domed Dinos

This striking skull shape evolved at least twice. But what was its purpose?

In an artist's interpretation, the forested and warm Late Cretaceous is abruptly destroyed by a six-mile wide asteroid.

Life Bounced Back After the Dinosaurs Perished

The devastation was immediate, catastrophic and widespread, but plants and mammals were quick to take over

The fossil Arktocara yakataga (resting on an 1875 ethnographic map of Alaska) belonged to a dolphin that swam in subarctic marine waters around 25 million years ago.

Smithsonian Researchers Uncover Extinct, Ancient River Dolphin Fossil Hiding in Their Own Collections

Sometimes, paleontologists don’t have to go into the field to discover a tantalizing new species

An artist's rendering of Chicxulub, the asteroid believed to have wiped out large dinosaurs and reshaped parts of the world.

What Happened in the Seconds, Hours, Weeks After the Dino-Killing Asteroid Hit Earth?

The Cretaceous forecast: Tsunamis, a deadly heat pulse, and massive cooling.

Illustration of a Velafrons, a hadrosaur whose name means "sailed forehead."

Chew on This: Powerful Jaws Fueled a Jurassic Herbivore Boom

Teeth, not flowers, might be the key to the duckbills’ success

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

Dinosaurs Literally Reshaped The Planet

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

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

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

You'll never guess how researchers found this fossil of the petite terrestrial crocodile Hoplosuchus kayi.

These Are Some of the Weirdest Ways Paleontologists Find Fossils

Sometimes you pee on them, sometimes you’re just trying to get away from other paleontologists. Here are the discovery stories scientists won’t tell you

Pie chart showing the number of times ankylosaur fought a particular foe.

Sadly, “Ankylosaur Fight Club” Is Probably Wishful Thinking

Ornate armor may have had more to do with communication than combat

A reconstruction of Fruitachampsa, a Jurassic-era crocodile discovered in the Fruita Paleo Area and named in 2011. Small animals like Fruitachampsa help paleontologists reconstruct what life was really like in the Jurassic period.

In This Jurassic Boneyard, It’s Not Size That Counts

A rich cache of fossils in Colorado is valuable not for the big dino bones but the relatively tiny fossils that are still being dug up.

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