Riley Black

Riley Black

 

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

Basilosaurus hunts fish.

Ancient Whales Were the Biggest and Smallest of Their Kind to Ever Roam the Oceans

New discoveries show how whale diversity exploded after the dinosaurs disappeared

One of the first toothed birds ever discovered, Hesperornis paddled with its hind feet to hunt fish and evade marine reptiles in warm, Cretaceous seas.

During the Age of Dinosaurs, Some Birds Sported Toothy Grins

The often overlooked animals thrived for millions of years

An artist’s illustration of Quetzalcoatlus flying

How Pterosaurs Might Inform the Next Generation of Flight

After paleontologists cracked the secrets of the ancient flying reptiles, researchers are thinking about how to harness their methods

An artistic reconstruction shows a group of Burgessomedusa phasmiformis swimming in the Cambrian sea.

These 508-Million-Year-Old Fossils May Be Earth’s Oldest Swimming Jellyfish

Researchers found the rare remains in Canada

In the past decade, paleontologists have named several new dinosaur species and found that some previously discovered species belonged to their own groups.

How Many Dinosaurs Remain Undiscovered?

Paleontologists say more non-avian dinos are waiting to be uncovered than have previously been found

A variety of saber-toothed animals have evolved to fill different niches.

Eight Menacing Saber-Toothed Creatures That Stalked the Earth Long Ago

From before the dinosaurs to the Ice Age, several mammals and their forerunners sported the iconic, curved teeth

Iani smithi

New Beaked Dinosaur Species Found in Utah

The creature, dubbed Iani smithi, was identified from a 99-million-year-old fossil

In an open woodland, Morotopithecus bishopi climbs a tree with an infant on its back and a juvenile below.

Early Apes Lived on Savannas, Not in Forests

Two new studies suggest that 21 million years ago African primates frequented edge habitat and fed on leaves

Many giant animals roamed the Earth after non-avian dinosaurs went extinct.

After Dinosaurs Went Extinct, These Ten Giant Creatures Roamed the Earth

Though we often think of the “terrible lizards” as behemoths, many later reptiles and mammals also grew to massive sizes

The fossil of Icaronycteris gunnelli

Paleontologists Discover 52-Million-Year-Old Bat

The fossil represents the earliest-known species of the flying mammal

An artist’s reconstruction of Rhinesuchus, a rhinesuchid temnospondyl

Paleontologists Uncover Fossil Impressions of Giant, Alligator-Like Amphibians

The find reveals how the creatures swam and relaxed in prehistoric waterways

Many of the reptiles that thrived during the Triassic were crocodile relatives that dinosaurs would later mimic through evolutionary happenstance, such as Postosuchus (back) and Desmatosuchus (front).

Dinosaurs Were Evolutionary Copycats of These Long-Lost Look-Alikes

Before T. rex and ankylosaurus ruled the Earth, a host of similar Triassic reptiles reigned

A male (silver) and female (brown) common European adder meet prior to mating. Scientists are just beginning to understand female sexual anatomy in snakes.

Why Did Scientists Wait So Long to Study the Snake Clitoris?

The delay is representative of a major problem in biology: Female and intersex animals are understudied compared with their male counterparts

Adam Driver stars in the new movie 65.

What Earth Would Have Really Looked Like in Adam Driver's '65'

If you were to travel back in time you’d find a mix of the familiar and strange on our planet

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

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