8,240 results
8,240 results for: Fish
- Animals
Feeding sharks ‘junk food’ takes a toll on their health
Many blacktip reef sharks in French Polynesia are commonly fed by tourists. But the low-quality diet is changing the sharks’ behavior and physiology.
- Science & Society
Fired federal workers share the crucial jobs no longer being done
Thousands of probationary federal employees received termination notices. Many were doing crucial work at science-related agencies.
- Oceans
A transatlantic flight may turn Saharan dust into a key ocean nutrient
Over time, atmospheric chemical reactions can make iron in dust from the Sahara easier for organisms to take in, helping to create biodiversity hot spots.
- Life
Early human ancestors didn’t regularly eat meat
Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.
- Animals
Cricket frogs belly flop their way across water
Cricket frogs were once thought to hop on the water’s surface. They actually leap in and out of the water in a form of locomotion called porpoising.
- Animals
Eavesdropping on fish could help us keep better tabs on underwater worlds
Scientists are on a quest to log all the sounds of fish communication. The result could lead to better monitoring of ecosystems and fish behavior.
- Animals
Compare shark sizes on our infographic
As Jaws celebrates its 50th anniversary, Science News explores the vast range of shark sizes, from megaladon to the dwarf lanternshark.
- Life
The ‘Blob,’ an unprecedented marine heat wave, killed 4 million seabirds
Millions of other animals may have perished too, suggesting the die-off event might be one of the worst in modern times.
- Paleontology
Humans, not climate change, may have wiped out Australia’s giant kangaroos
About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.
- Animals
A built-in pocket protector keeps sawfish from ‘sword fighting’ in the womb
What’s to prevent pups, with a snout that resembles a hedge trimmer, from slicing and dicing each other in mom’s uterus? Scientists have the answer.
- Animals
Scientists piece together clues in a shark ‘murder mystery’
A missing porbeagle shark was likely killed by a great white. It’s the first known case of adult porbeagles being hunted by a predator, scientists say.
- Paleontology
Could Spinosaurus swim? The fierce dinosaur ignites debate
Researchers are still divided about whether Spinosaurus was a swimmer or a wader. What’s clear is that confirming the first swimming dinosaur would be a game-changer.
