2025年1月24日 · Largest dinosaur ever auctioned sells for over $6 million — and it's twice as long as a school bus. By Harry Baker published 20 November 24. A 70-foot-long Apatosaurus skeleton, named Vulcan ...

2021年7月6日 · The smallest dinosaur on record is an avian dinosaur that's alive today: the bee hummingbird (Mellisuga helenae) from Cuba, which measures just over 2 inches (5 centimeters) long and weighs less ...

2025年1月13日 · The sediments in which it was found date to the Early Jurassic Hettangian Age (201.3 million to 199.3 million years ago), according to the study published Dec. 12, 2024 in the journal PeerJ.. L ...

2025年1月24日 · If found, these fossils could trace the history of dinosaurs much further back than 230 million years, the age of the oldest dinosaur bones unearthed to date. Such a discovery would also radically ...

2024年1月29日 · Or maybe reproduction was a factor. Many dinosaurs produced very large clutches of eggs, which meant they produced a lot of offspring in a short period of time, Holtz said.

2024年4月19日 · It wasn't the largest dinosaur — fellow titanosaur Argentinosaurus is one contender for that disputed honor, with an estimated weight starting at 77 tons (70 metric tons) — but B. shiva was ...

2024年12月6日 · The dinosaur was found in the Morrison Formation, a layer of sedimentary rock laid down in the late Jurassic period. Like other fossil animals in this formation, Apex lived approximately 150 ...

2024年1月11日 · The newly identified tyrannosaur species is the closest known relative of T. rex and could have been even larger than the famous dinosaur king.

2022年10月13日 · An artist illustration of Quetzalcoatlus northropi. (Image credit: Mark Witton/Darren Naish/ CC BY 3.0) Physical characteristics. Given the large number of different types of pterosaurs, the ...

2025年2月7日 · Trovants are rocks that grow by absorbing minerals from rainwater. Romania is home to a cluster of trovants that inspired folklore of dinosaur eggs, plant fossils and alien creations.