Most Dinosaur Species are Still Undiscovered
A new estimate suggests that we have a long way to go before hitting Peak Dinosaur.
Laelaps
A Blog by Brian Switek
Latest Posts
Paleo Profile: The Wandering Spirit
A tiny protomammal provides new clues about how our ancient cousins survived the worst mass extinction ever.
It’s a Girl! Paleontologists Examine Pregnant T. rex
A new study confirms that "B. rex" really was pregnant.
Paleo Profile: The Oldest Chameleon
Amber gives us a detailed look at the oldest chameleon yet found.
Giant Flesh-Eating Koala of Legend Was Real
The terrifying 'drop bear' is an urban legend, but Australia really was home to a koala cousin that was not so cuddly.
Paleo Profile: The Dawn Mole
An ancient mammal from England marks when moles started digging.
Prehistoric Animal Bit Like a Sabercat, Crunched Like a Bear
This strange fossil mammal fed in a way unlike that of any beast alive today.
Here’s Lookin’ at You, Dollocaris
A Jurassic invertebrate's amazing eyes cause paleontologists to reconsider an ancient habitat.
Paleo Profile: Russia’s Curved Blade
This marine reptile had a big bite for its size.
Let’s Give Ceratosaurus a Hand
For a big predator, Ceratosaurus had stubby arms.
Paleo Profile: The Purgatoire River’s Whale Fish
This big fish ate tiny meals.
Paleo Profile: The Dragon Thief
This Jurassic carnivore marks the "dawn of the dinosaurs."
The Biggest Giraffe of All Time
This fossil giraffe was said to be as big as an elephant, but a new study says otherwise.
Getting in Touch With the Belemnites
Belemnites are often found as bullet-like shells, but rare fossils show what they really looked like in life.
Paleo Profile: The Shield Fortress
Unusual armor sets this new "armadillodile" apart from its relatives.