Search Results for: Dinosaurs
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1,961 results for: Dinosaurs
- Earth
Volcanic gas bursts probably didn’t kill off the dinosaurs
A new timeline for massive bursts of volcanic gases suggests the Deccan Traps eruptions weren’t the real dinosaur killer 66 million years ago.
- Animals
How tuatara live so long and can withstand cool weather
Tuatara may look like your average lizard, but they’re not. Now, researchers have deciphered the rare reptiles’ genome, or genetic instruction book.
By Jake Buehler - Life
Fossil footprints show some crocodile ancestors walked on two legs
The 106-million-year-old tracks suggest that other puzzling nearby fossils were also likely made by a bipedal croc ancestor, not a giant pterosaur.
- Paleontology
Licelike insects munched on dinosaur feathers around 100 million years ago
Fossils in amber push the origin of feather-feeding insects back over 50 million years, a study finds.
By Sofie Bates - Astronomy
The definition of planet is still a sore point – especially among Pluto fans
In the 15 years since Pluto lost its planet status, scientists have continued to use the definition that works for them.
- Paleontology
Big dinosaurs kept cool thanks to blood vessel clusters in their heads
Giant dinosaurs evolved several strategies for cooling their blood and avoiding heatstroke.
- Paleontology
Small ‘cousins’ of T. rex may actually have been growing teenagers
Fossil analyses suggest that Nanotyrannus wasn’t a diminutive relative of the more famous behemoth Tyrannosaurus rex.
By Sid Perkins - Animals
Guttural toads shrank by a third after just 100 years on two islands
Introduced in the 1920s, toads on two islands in the Indian Ocean have shrunken limbs and bodies that may be evidence that "island dwarfism" can evolve quickly.
By Jake Buehler - Paleontology
Saber-toothed anchovy relatives hunted in the sea 50 million years ago
Unlike today’s plankton-eating anchovies with tiny teeth, ancient anchovy kin had lower jaw of sharp spikes paired with a single giant sabertooth.
- Paleontology
‘Wonderchicken’ is the earliest known modern bird at nearly 67 million years old
A new fossil find, dubbed the Wonderchicken, is a common ancestor of modern ducks and chickens.
- Science & Society
2020’s science superlatives include the oldest, highest and grossest discoveries
From the earliest modern bird to the highest-temperature superconductor, science set plenty of records in 2020.
- Science & Society
These science claims from 2019 could be big deals — if true
Some of this year’s most tantalizing scientific finds aren’t yet ready for a “best of” list.