Search Results for: Vertebrates
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1,544 results
1,544 results for: Vertebrates
- Paleontology
300 million-year-old giant shark swam the Texas seas
Fossil find shows oldest known ‘supershark,’ about the size of a limo, prowled the ocean 300 million years ago.
- Animals
Hunchbacked conchs jump at the smell of danger
Hunchbacked conchs are among the most vigorous of snailkind’s few jumpers.
- Paleontology
Dinosaurs may have used color as camouflage
Fossilized pigments could paint a vivid picture of a dinosaur’s life.
- Animals
How a seahorse dad is like a pregnant woman
Live birth has evolved at least 150 times in vertebrates, including in seahorses and humans. And there are some surprising similarities between the species.
- Animals
Oldest pregnant horselike fossil found
A 48-million-year-old fossil of an early horse and fetus is the oldest and best-preserved specimen of its kind.
- Animals
Puff adders appear ‘invisible’ to noses
The snakey scent of puff adders proves difficult for even sensitive animal noses to detect.
- Paleontology
Dimetrodon’s diet redetermined
The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.
- Astronomy
Readers tussle over top science stories of 2015
Readers tussle over the top spot in our top 25, questions about engineered vocal cords, and more in the February 20 Feedback.
- Life
Scientists dig up proteins from the past
To learn how today’s proteins evolved, scientists are reconstructing ancient molecules.
- Animals
Salamander ancestors could regenerate limbs
Salamanders and ancient amphibians share similar way of regenerating limbs.
- Life
Fossilized fish skull shakes up the evolutionary history of jaws
Analysis of a 415-million-year-old fossilized fish skull suggest that the earliest jawed vertebrates probably looked a lot like modern bony fish.
- Life
A downy killer wages chemical warfare
The common fungus Beauveria bassiana makes white downy corpses of its victims.
