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Utah Discovery a &#39;Tipping Point&#39; on T. Rexes
Mass T. Rex Death Site
Births a Terrifying Theory

Mass T. Rex Death Site Births a Terrifying Theory

The dino predators may have hunted in packs: researchers

(Newser) - Imagine being chased by a Tyrannosaurus rex. Now imagine being chased by six. That might've been the scenario for T. rex prey, according to new research suggesting the dino predator hunted in packs like wolves. The theory stems from a site discovered in 2014 at the Grand Staircase-Escalante National...

It Wouldn&#39;t Have Been Easy to Bump Into a T. Rex
Total, All-Time T. Rex
Population Put at 2.5B
new study

Total, All-Time T. Rex Population Put at 2.5B

Their numbers were spread over more than a million years, so it's not like they were on every corner

(Newser) - One Tyrannosaurus rex seems scary enough. Now picture 2.5 billion of them. That’s how many of the fierce dinosaur kings probably roamed Earth over the course of a couple of million years, a new study finds. Using calculations based on body size, sexual maturity, and the creatures' energy...

How Ancient Wisconsin Rocks Got to Wyoming: the Hard Way
Dinosaurs May Have Brought
Wisconsin Rocks Westward
new study

Dinosaurs May Have Brought Wisconsin Rocks Westward

Study suggests they were eaten by sauropods and transported hundreds of miles to Wyoming

(Newser) - A few years ago, scientists at a dig site in Wyoming came across rocks that seemingly had no business being there. They were round and smooth, smaller than a human hand, and unlike anything else in the region, per Wyoming Public Media . So how did they get there? In the...

It Killed the Dinosaurs, but Then It Gave Birth to Something Else

You can thank the Chicxulub impact for our modern rainforests: study

(Newser) - We owe a lot to the asteroid impact that killed the dinosaurs 66 million years ago. For one thing, it gave us the lush tropical rainforests that help keep our planet healthy. That's according to a first-of-its-kind study published Friday in Science that looks at the effects of the...

Dinosaur Killer Gets a New Origin Story
Scientists Offer New Theory
on Dinosaurs' Demise
in case you missed it

Scientists Offer New Theory on Dinosaurs' Demise

Think speedy, long-range comet, not an asteroid from closer to Earth

(Newser) - From the dinosaurs' perspective, not much has changed. Scientists still think an enormous chunk of rock slammed into Earth and triggered a cataclysmic explosion that wiped them out. However, a new study out of Harvard changes the theory about the origins of that space rock, reports NPR . The researchers say...

Paleontologists Gain Insight Into a Dinosaur&#39;s Butt
Paleontologists Gain Insight
Into a Dinosaur's Butt
new study

Paleontologists Gain Insight Into a Dinosaur's Butt

They're able to re-create in 3D a cloacal opening

(Newser) - It's a first for paleontology, and one that might produce a giggle. For the first time, scientists have been able to describe in fine detail a dinosaur's cloaca. If you're not familiar with that body part, CNET translates: It's essentially "a jack-of-all-trades butthole." The...

Dinosaur Had Features &#39;Like Nothing Seen in Nature&#39;
Dinosaur Had Features
'Like Nothing Seen in Nature'

Dinosaur Had Features 'Like Nothing Seen in Nature'

Flashy birds like the peacock descended from dinosaurs like this one

(Newser) - How bizarre were the features of a dinosaur that roamed modern-day Brazil some 110 million years ago? They're "like nothing I have seen in nature before," David Martill, lead author of a study of the creature , tells the Guardian . "There are plenty of other strange dinosaurs,...

Dinosaur Gets Diagnosed About 76M Years Later
Dinosaur Gets Diagnosed
About 76M Years Later
new study

Dinosaur Gets Diagnosed About 76M Years Later

A 'Centrosaurus apertus' was stricken with advanced cancer

(Newser) - A dinosaur that hobbled around some 76 million years ago has finally been diagnosed—with cancer, New Atlas reports. Researchers in Canada spotted a large growth in a Centrosaurus apertus leg bone and ran it through a battery of tests, making CT scans, constructing a cross-section, and cutting it into...

Scientists: 'Smallest Dinosaur' Wasn't Really a Dinosaur

They now believe Oculudentavis was a lizard

(Newser) - Oculudentavis khaungraawas was a strange and fascinating creature, scientists say—but it probably wasn't a dinosaur. Researchers who identified the hummingbird-sized animal as the smallest known dinosaur in a study published earlier this year have retracted their claim following new research and the discovery of another Oculudentavis fossil, NBC...

Forerunner to Dinosaurs Was Tiny Enough to Take Anywhere

Kongonaphon kely fed on bugs and was less than 4 inches tall, researchers say

(Newser) - Meet Kongonaphon kely, a pocket-size dinosaur forerunner that was smaller than your cellphone. The creature, which predated dinosaurs and flying pterosaurs, was just shy of 4 inches tall, according to a study published Monday in the journal Proceedings of the National Academy of Sciences. "Some of these things would...

Court: Fossils Worth Millions Belong to Montana Family

Mary Ann and Lige Murray own surface rights to land where 'dueling dinosaurs' found

(Newser) - Dinosaur fossils worth millions of dollars unearthed on a Montana ranch belong to the owners of the land’s surface rights, not the owners of the mineral rights, a US appeals court ruled. The June 17 ruling by the 9th US Circuit Court of Appeals upheld a 2016 decision by...

We&#39;ve Never Seen a Dino Stomach Preserved Like This
Dinosaur's Last Meal
Preserved Down to the Cells

Dinosaur's Last Meal Preserved Down to the Cells

Researchers 'could see the different layers of cells in a leaf fragment'

(Newser) - Scientists say they've uncovered the "best-preserved dinosaur stomach ever found to date," offering an unprecedented look at a 110-million-year-old chewed salad. It's extremely rare to find a preserved dinosaur stomach, and even rarer to find one with much evidence of diet. But the soccer-ball-size stomach of...

Some Dinosaurs Resorted to Cannibalism
Rare Paleo Find Suggests
Gruesome Dino Dinners

Rare Paleo Find Suggests Gruesome Dino Dinners

Researchers say bite marks on carnivore bones in Colorado indicate dinosaur cannibalism

(Newser) - Bite marks on dinosaur bones aren't often found—but they recently turned up in multitudes at the Mygatt-Moore Quarry in Colorado, and researchers say the find could indicate certain carnivorous dinos were cannibals. According to a study published in PLOS One Wednesday, scientists found that, of the 2,368...

One Thing That Doomed Dinosaurs: a Bad Angle

Asteroid's steep trajectory caused maximum damage

(Newser) - Dinosaurs might still be roaming the Earth today if not for an incredible run of bad luck 66 million years ago. Researchers had already determined that the city-sized asteroid that hit the planet, leading to the mass extinction, struck at the exact wrong place at the exact wrong time . Scientists...

This Dinosaur Could Move Like No Other
This Dinosaur Had
a Unique Skill
in case you missed it

This Dinosaur Had a Unique Skill

Spinosaurus spent a lot of time swimming, say researchers

(Newser) - When Nizar Ibrahim suggested in 2014 that Spinosaurus was the first known dinosaur built to swim, not everyone was convinced. Skeptics wanted a better explanation of how the giant creature would have propelled itself through the water, notes Live Science . Now, Ibrahim and other researchers say they have the answer:...

Scientists Spot the 'Most Dangerous Place in History'

100M years ago, Morocco was not for the faint of heart

(Newser) - Morocco looked a lot different 100 million years ago—and it wasn't too inviting. This according to scientists who studied fossils from southeastern Morocco and say the area was heavily populated with animals, including three of the biggest predatory dinosaurs ever discovered. "This was arguably the most dangerous...

Smallest Known Dino Was a Weirdo
Smallest Known
Dino Was a Weirdo

Smallest Known Dino Was a Weirdo

99-million-year-old species weighed about as much as a couple of dollar bills

(Newser) - Scientists say they've discovered the smallest known dinosaur which, at an estimated 2 grams, was roughly "the weight of two dollar bills," per Live Science . The skull of the new birdlike species, about the size of the smallest hummingbird on Earth today, was found in a 99-million-year-old,...

Maid of Honor on Abnormal Outfit: &#39;I Regret Nothing&#39;
Maid of Honor Was
Told to Wear Anything.
She Didn't Disappoint
in case you missed it

Maid of Honor Was Told to Wear Anything. She Didn't Disappoint

Christina Meador shows up at sister's wedding in T. rex outfit, with bride's blessing

(Newser) - Most bridesmaids appreciate when they're told they can wear what they want on the big day, though usually that means choosing a favorite dress style or color. Christina Meador went ... a different route. Her get-up of choice at her sister Deanna Adams' Aug. 10 wedding in Nebraska: a T....

Scientists Unearth the &#39;Rex of Rexes&#39;
Scientists Unearth
the 'Rex of Rexes'

Scientists Unearth the 'Rex of Rexes'

'Scotty' weighed more than 19K pounds, the biggest T. Rex ever found

(Newser) - It took a long time to unearth, but it’s a whopper: Paleontologists have announced the discovery of the largest Tyrannosaurus rex ever found. With a skeleton measuring 42 feet, the giant dinosaur is estimated to have weighed in at over 19,400 pounds, reports ABC News . “Scotty,"...

Here Are Your 5 New National Monuments

They tell of disaster, division, dinos

(Newser) - President Trump signed a bipartisan public lands bill Tuesday that will protect 1.3 million acres from California to Kentucky and establish five national monuments. But it's the lack of action on ex-Interior Secretary Ryan Zinke's recommendations in a review of 27 national monuments that's drawing attention....

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