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Much of our preconceptions about the way T. rex lived have changed since Jurassic Park came out.

The real T. rex looked nothing like the monster in ‘Jurassic Park.’ These 13 discoveries have upended our picture of the ‘king of th...

Scientists have learned a lot about T. rex since "Jurassic Park." Here are 13 facts you probably didn't know about the "king of the dinosaurs."
The vertebrae and humerus of the "Antarctic King," uncovered in the rocks of the Transantarctic Mountains.

A tiny dinosaur relative named the ‘Antarctic King’ has been discovered at the South Pole

Paleontologists discovered a tiny dinosaur relative at the South Pole, which they've named "Antarctic King." The fossil is some 250 million years old.

A handful of recent discoveries has transformed our entire understanding of human history

Our understanding of human history has been thoroughly upended by a number of discoveries over the past few years. There's less certainty now about how long ago we evolved, when humans spread around the world, and how we co-existed with other hominid species.
A life scene in the Dolomites region, Northern Italy, about 240 million years ago, with Megachirella wachtleri walking through the vegetation.

A 240-million-year-old fossil is now the oldest known ancestor of snakes and lizards — and experts are calling it a ‘Rosetta Stone’ ...

Scientists discovered a 240-million-year-old fossil that is thought to be the earliest known ancestor of snakes and lizards. It's much older than any other lizard fossil ever found.
Were penguins always flightless? Or did they evolve that way?

A fossil shows how ancient penguins were as tall as people for 30 million years

Scientists discovered a fossil of a giant penguin with a body length of around 150 centimetres.
The ladder shape composed of red horizontal and vertical lines (centre left) dates to older than 64,000 years and was made by Neanderthals.

Scientists have pinpointed when the first cave paintings were made — and it means Neanderthals were more advanced than they thought

Long before "modern" humans reached Europe, our Neanderthal cousins were creating cultural objects and painting animals in caves in Spain.
An illustration of comets and asteroids striking planet Earth.

The asteroid that killed the dinosaurs triggered a natural disaster that scientists hadn’t realized, according to new clues from the ocean floor...

When the Chicxulub asteroid hit Earth, it filled the skies with soot and smoke, caused volcanoes to explode, and even triggered underwater eruptions.
Detail view of a cast from the sandstone slab imprinted with more than 70 dinosaur and mammal tracks that Ray Stanford, a local dinosaur track expert discovered at Goddard Space Flight Center in 2012.

A stone with more than 70 dinosaur tracks is transforming what we know about how prehistoric creatures interacted

The wealth of information contained in the slab transforms what we know about how early mammals interacted with dinosaurs and other prehistoric creatures.
An epoxy mount containing a sliver of a nearly 3.5 billion-year-old rock from the Apex chert deposit in Western Australia.

The oldest known fossils show life on Earth began more than 3.5 billion years ago — and indicate life in the universe may be common

New findings indicate that diverse life existed on our planet before many thought possible — which might mean it's easier for life to evolve than we thought.
Hard tick grasping a dinosaur feather preserved in 99 million-year-old Burmese amber.

A 99-million-year-old fossil shows even dinosaurs got bitten by ticks

It's the first direct evidence we have of the parasites feeding from dinosaurs. It's also the oldest evidence of ticks acting as parasites.