810 results
810 results for: Sharks
- Ecosystems
Tiger sharks helped discover the world’s largest seagrass prairie
Instrument-equipped sharks went where divers couldn’t to survey the Bahama Banks seagrass ecosystem.
- Oceans
Sharks face rising odds of extinction even as other big fish populations recover
Over the last 70 years, large ocean fishes like tuna and marlin have been recovering from overfishing. But sharks continue to decline toward extinction.
- Paleontology
Ancient fish fossils highlight the strangeness of our vertebrate ancestors
New fossils are revealing the earliest jawed vertebrates — a group that encompasses 99 percent of all living vertebrates on Earth, including humans.
- Animals
Whale sharks may be the world’s largest omnivores
An analysis of the sharks’ skin shows that the animals eat and digest algae.
- Paleontology
Megatooth sharks may have been higher on the food chain than any ocean animal ever
Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.
- Paleontology
Great white sharks may have helped drive megalodons to extinction
Analyzing zinc levels in shark teeth hints that megalodons and great whites competed with each other for food.
- Animals
Male elephant seals aim to get huge or die trying
Males will risk death to eat and grow as large as possible, since only the biggest males mate. But females aim for long-term survival.
- Animals
Gory footage confirms orca pods can kill adult blue whales
For the first time, three recorded events show that orcas do hunt and eat blue whales using coordinated attacks that have worked on other large whales.
- Animals
Scientists vacuumed animal DNA out of thin air for the first time
The ability to sniff out animals’ airborne genetic material has been on researchers’ wish list for over a decade.
- Animals
A hammerhead shark baby boom near Florida hints at a historic nursery
Finding an endangered shark nursery in a vast ocean is like finding a needle in a haystack. But that’s just what scientists did near Miami.
- Anthropology
A skeleton from Peru vies for the title of oldest known shark attack victim
The 6,000-year-old remains of a teen with a missing leg and tell-tale bite marks came to light after news of a 3,000-year-old victim in Japan surfaced.
- Anthropology
A partial skeleton reveals the world’s oldest known shark attack
An ancient shark bite victim died quickly, before his body was recovered and buried, a new study finds.
