Riley Black

Riley Black

 

Riley Black is a freelance science writer specializing in evolution, paleontology and natural history who blogs regularly for Scientific American.

Tyrannosaur fossils show the animals squared off and bit each other in the face.

Busted and Broken Fossils Show How Dinosaurs Fought

From locking horns to biting each other in the face, this is how dinos of the same species battled

A reconstruction of adult and newly born Triassic ichthyosaurs Shonisaurus

Paleontologists May Have Solved the Mystery Behind a Prehistoric Reptile Graveyard

Ichthyosaur mothers likely migrated to the site to give birth

The year was filled with major discoveries about a number of species.

The Top Ten Dinosaur Discoveries of 2022

From scientists uncovering the first dinosaur built to swim to finding a new species that looked a lot like T. rex, these were the year's biggest stories

This year’s picks include Fresh Banana Leaves, Origin and Starry Messenger.

The Ten Best Science Books of 2022

From a detective story on the origins of Covid-19 to a narrative that imagines a fateful day for dinosaurs, these works affected us the most this year

Natovenator likely swam to catch small prey.

World’s First Swimming Dinosaur Discovered in Mongolia

Natovenator was a streamlined hunter with jaws full of tiny teeth

A red-eyed treefrog hangs on to a leaf in Costa Rica.

Why Frogs Survived the Asteroid That Wiped Out the Dinosaurs

Not too big, not too small—they were just the right size to live through Earth’s worst day

A mouse lemur grasps onto a tree branch in Madagascar. Scientists looked to characteristics in such modern primates to form a hypothesis about how primates behaved after an asteroid wiped out non-avian dinosaurs.

Soon After Dinosaur Decimation, Our Primate Ancestors Began Pouncing on Prey

Nails helped them climb trees quietly, and forward-facing eyes helped with depth perception to aid in precise leaping

An artistic rendering of a multituberculate mother with her litter of offspring.

Just Like Us, Jurassic Mammals Cared for Their Young

Clues from bones reveal multituberculates looked after their offspring for lengthy periods during the Age of Dinosaurs

Deinocheirus walks across a landscape dotted with ponds. Fossils found recently in eastern North America provide evidence that similar dinosaurs lived on our continent.

Giant Ostrich-Like Dinosaurs Once Roamed North America

Rare finds in Mississippi paint a picture of these creatures’ lost world

An artist’s reconstruction of Scleromochlus taylori, an ancestor of pterosaurs

The Ancestors of Flying Pterosaurs Were Sleek Reptiles That Ran on the Ground

High definition scans of a fossil reveal the form of an early pterosaur relative

An artist’s reconstruction of Qianodus duplicis, the earliest known fish that had a mouth with teeth

Haul of Fossil Fish Pushes Back the Origin of Teeth and Jaws

The unexpected finds illustrate life during a critical and little-understood time period

The newly discovered Opisthiamimus gregori preys on a now-extinct water bug.

Scientists Discover Bug-Eating Reptile That Lived Among Dinosaurs

Delicate fossil reveals a cousin of the modern tuatara

Scientists scanned a fossil of the Jurassic cephalopod Vampyronassa, pictured here, and found clues that it was an active hunter.

What New Tech Is Revealing About Squishy, Prehistoric Cephalopods

Researchers have adopted innovative means, from cutting-edge scans to swimming robots, to reveal more about how the creatures lived

Meraxes had a large skull and short arms, in the same proportions as Tarbosaurus, a relative of T. rex.

Paleontologists Uncover New Dinosaur With Tiny Arms Like T. Rex

The predator is among the most complete of its kind ever found

An 1897 painting by Charles R. Knight depicting two dinosaurs called “Laelaps” in an energetic fight, suggesting they may have been warm-blooded.

Paleontologists Are Still Puzzling Over Why Dinosaurs Ran Hot

New evidence reveals details about the physiology of animals that have been extinct for over 66 million years

A skeleton of the giant Triassic ichthyosaur Shonisaurus popularis hangs in the Nevada State Museum.

Whale-Sized Marine Reptiles Once Ruled the Seas

Paleontologists are beginning to learn how and why ichthyosaurs evolved into giants

Paleontologists are just beginning to uncover the evolutionary backstory of armored dinosaurs like the ankylosaur Euoplocephalus.

New Fossil Finds Track When Armored Dinosaurs Spread Around the World

Discoveries in Asia and Africa are rewriting the backstory of dinosaurs like <em>Stegosaurus</em>

A snorkeler comes face to face with a humpback whale. If humans work to halt climate change, that may help prevent another mass extinction event in the oceans.

Without Action on Climate, Another Mass Extinction Event Will Likely Happen in the World's Oceans

Marine species at the poles will face increasing pressure if warming isn’t curbed

An&nbsp;Edmontosaurus&nbsp;herd grazes in a forest.

The Last Day of a Doomed Dinosaur

The young, eighteen-foot-long Edmontosaurus had no idea about his fate as he grazed in a forest

A view of a Palouse Falls in Palouse Falls State Park in Washington. Geologists believe massive floods carved out this canyon and others in the Scablands.

Devastating Ice Age Floods That Occurred in the Pacific Northwest Fascinate Scientists

The Scablands were formed by tremendous and rapid change, and may have something to teach us about geological processes on Mars

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