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A close-up image showing the damaged head and body of an ancient fish, Dorsetichthys bechei, with the arms of the prehistoric squid ancestor, Clarkeiteuthis montefiorei, clamped around it.

A rare fossil preserved a squid attack from 200 million years ago — the squid ancestor viciously crushed the head of a prehistoric fish

A squid-like creature attempted to strangle a fish 200 million years ago. Both animals died during the attack, and were fossilized together.
A display of a Homo naledi skeleton.

A handful of recent discoveries have shattered anthropologists’ picture of where humans came from, and when

Anthropologists have discovered new species of human ancestors and revealed that humans, Neanderthals, and Denisovans interbred.
In the 1997 movie "The Lost World: Jurassic Park," a herd of stegosaurus meet a group of scientists.

Dozens of discoveries have upended our pictures of T. rexes, raptors, and other dinosaurs. Here’s how the ‘Jurassic Park’ movies hav...

Since "Jurassic Park" came out, paleontologists' understanding of dinosaurs has changed. We now know far more about how they looked and acted.

Paleontologists are unraveling the mysteries of young T. rexes. Creatures they thought were 2 species turned out to be kids and adults.

A full-grown Tyrannosaurus rex weighed up to 10 tons and was 43 feet long. Much of its growth happened during its teenage years.
An artist's reconstruction of Homo erectus in the Tautavel prehistory museum in France, July 18, 2013.

A group of our Homo erectus ancestors suffered a mysterious mass death more than 107,000 years ago. It’s their last appearance in the fossil rec...

Anthropologists solved a 90-year mystery about Homo erectus fossils after finding that 12 skulls are at least 107,000 years old.
This skull of an 18-month-old infant was found buried in Salango, Ecuador.

A pair of infant skeletons were found wearing other children’s skulls as helmets in a 2,000-year-old grave site

At a pair of burial mounds in Ecuador, archaeologists uncovered two infant skeletons that were buried wearing helmets made of older children's skulls.
The Khoisan people of Botswana share mitochondrial DNA with the last matrilineal common ancestor of all humans alive today.

Every person alive today descended from a woman who lived in modern-day Botswana about 200,000 years ago, a new study finds

Modern humans emerged in Africa around 200,000 years ago. Now a research team has figured out where on the continent our ancestors originated.
A full-grown Tyrannosaurus rex weighed between 6 and 9 tons and was up to 43 feet long.

The T. Rex had the strongest bite of any land animal ever — and new research shows the dinosaur really could crush a car

Scientists have discovered that T. rexes had rigid skulls, which enabled the dinosaurs to have the strongest bite force of any land animal on Earth.
Ancient Australia was home to strange marsupial giants, some weighing over 2,200 pounds.

For millions of years, eastern Australia was home to 2,200-pound marsupials with giant claws

A group of now-extinct marsupials named palorchestids once roamed eastern Australia. These giants weighed up to 2,200 pounds and had large claws.
An artistic reconstruction of the extinct short-faced kangaroo.

More than 40,000 years ago, giant kangaroos roamed Australia. Their jaws were surprisingly similar to those of pandas, a new study found.

Extinct Australian kangaroos weighed more than 250 pounds and had powerful jaws to crunch through tough vegetation, much like today's giant pandas.