Kayentapus ambrokholohali footprints belong to an animal of about 26 feet long, dwarfing all the life around it.
Theropod image adapted by Lara Sciscio, with permission, from an illustration by Scott Hartman
Until this discovery, theropod dinosaurs were thought to be considerably smaller, at three to five metres in body length, during the Early Jurassic.
Archaeopteryx.
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New research shows how dinosaurs suppressed their teeth and grew beaks, and then back-shifted this process from adult to embryo stage.
How the mighty dinosaurs would have walked millions of years ago.
Flickr/Ørjan Hoyd Vøllestad
The footprints of dinosaurs can tell a lot about how they moved about many millions of years ago.
Dr Tim Holland (seated right) assisting volunteers in the excavation of the ribs of Austrosaurus mckillopi in 2015.
Stephen Poropat
The location of a dinosaur find on a remote Queensland sheep station was lost for almost 80 years. But the site was rediscovered, and details are now emerging about the make up of the new dinosaur.
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Mercury found in prehistoric rock bolsters the idea that volcanoes caused a mass extinction 200m years ago.
Fossilised dinosaur eggs in nests, uncovered by a raid on illegal fossils in 2004.
John Long
A new, “baby dragon” dinosaur revealed in a fossil returned to China is a striking example of the discoveries that might be lost when scientific specimens are illegally removed and traded.
Local people at Tendaguru (Tanzania) excavation site in 1909 with Giraffatitan fossils.
Wikimedia Commons/Public domain
Africa has one of the world’s richest fossil records, and evidence suggests that amateurs collected really important fossils long before professionals arrived on the scene.
Ancient dragon.
Mark Witton/Natural History Museum
Researchers pieced together evidence from fossils that had been sitting in museums for years.
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A new fossil study challenges 130 years of thinking about how dinosaurs evolved.
The end was nigh.
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Their days were numbered for quite some time …
Dinghua Yang & Jun Liu
A 245m year old fossil is the first evidence that of live births in one of the major groups of animals.
Trustees of the NHM, London
The Natural History Museum’s ‘Dippy’ the diplodocus skeleton is about to be become a giant 3D jigsaw.
Durbed/Wikipedia
There might have been as many as 160,000 types of dinosaur, give or take.
Sphenacodon.
Wikimedia Commons
A set of fossils that lay forgotten in a museum are revealing new secrets about Britain’s prehistoric wildlife.
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New research suggests how asteroids may have helped create conditions for life on Earth. But we shouldn’t get too carried away with the idea – yet.
New software could help to reveal the story behind the imprint.
Shutetrstock
How to solve mysteries with an accessible computer program.
Jamie Hiscocks
A 133 million-year-old fossil hints that dinosaurs had bigger brains than we’ve realised.
Savannasaurus was pretty small, by titanosaur standards.
Travis Tischler/Australian Age of Dinosaurs Museum of Natural History
Dinosaur bones unearthed at one of Australia’s richest fossil sites have introduced us to a new species: Savannasaurus, one of a family of huge dinosaurs that trekked here more than 100 million years ago.
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New research suggests the Chicxulub asteroid impact threw up billions of tons of oil soot that blocked out the sun for a decade.
Two giant Arambourgiania pterosaurs sharing a small theropod for dinner.
Mark Witton
Recent research is helping us to solve the mysteries of these bizarre prehistoric creatures.