Search Results for: Vertebrates
Skip to results
1,539 results
1,539 results for: Vertebrates
- 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.
- Earth
50 years ago, an Antarctic fossil pointed to Gondwanaland’s existence
Fifty years ago, fossils from Antarctica helped seal the deal that the southern continents were once connected in one, giant landmass called Gondwanaland.
- Paleontology
A flexible bone that helps mammals chew dates back to the Jurassic Period
A flexible bone that helps with chewing may have helped give rise to the Age of Mammals, a new fossil shows.
- 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.
- Paleontology
The first vertebrates on Earth arose in shallow coastal waters
After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.
- Animals
Geneticists close in on how mosquitoes sniff out human sweat
A long-sought protein proves vital for mosquitoes’ ability to detect lactic acid, a great clue for finding a human.
- Paleontology
This ancient dinosaur was no bigger than a hummingbird
The skull of one of these Mesozoic Era birds — the tiniest yet known — was discovered encased in a chunk of amber originally found in Myanmar.
- Animals
Deep-sea fishes’ eye chemistry might let them see colors in near darkness
An unexpected abundance of proteins for catching dim light evolved independently in three groups of weird deep-sea fishes.
- Animals
What spiders eating weird stuff tell us about complex Amazon food webs
By documenting rare events of invertebrates eating small vertebrates, scientists are shedding new light on the Amazon rainforest’s intricate ecosystem.
- Neuroscience
A frog study may point to where parenting begins in the brain
Two brain regions, including one active in mammal parents, lit up with activity in both male and female poison frogs when caring for their tadpoles.
- Life
Remarkable fossils capture mammals’ recovery after the dino-killing asteroid
A fossil-rich site in Colorado is revealing how mammals rebounded and flourished after an asteroid strike 66 million years ago.
- Paleontology
A deer-sized T. rex ancestor shows how fast tyrannosaurs became giants
A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow when the group sized up.
