778 results
- 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.
- Animals
Ivory listings found on Craigslist as elephant poaching continues
Elephants are hunted by the thousands to meet demand for ivory products.
- Math
Sharks’ hunting paths may not be driven by math
Penguins, tuna, sharks and other marine hunters have been shown to use math to find food. But simulations suggest the behavior is a result of rough water, not complex calculation.
- Animals
What happens to animals in a hurricane?
Hurricanes can be devastating to animals on land and in the sea, but they can also provide opportunities.
- Oceans
Fish escapes from marine farms raise concerns about wildlife
Farmed salmon, sea bass and other fish frequently escape from sea cages into the ocean. Will these runaways harm native wildlife?
- Paleontology
Fossils illustrate evolution of life
Paleontologist Donald Prothero takes readers through the evolution of life on Earth from the earliest oozes of goo to our recent relative Lucy.
- 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
Cougars may provide a net benefit to humans
Cougars have disappeared from the eastern United States. If they returned, they’d kill deer, preventing many car crashes, scientists find.
- Animals
Why great white shark sightings are good news
Conservation measures implemented in the 1990s halted a decline in great white sharks in the Atlantic.
- Climate
Sharks could serve as ocean watchdogs
Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.
- Computing
Barrel jellyfish may hunt with new kind of math
Barrel jellyfish use a new type of mathematical movement pattern to forage for food, a new study suggests.
- Animals
Just enough fat is good for an elephant seal
Fat affects the buoyancy of marine mammals. As elephant seals get fatter, they can spend less energy swimming and more time foraging, a new study finds.
