Jan. 31, 2025 — DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver. Based on DNA analysis from the bite wounds on the carcass ... Jan. 13, 2025 ...

Feb. 7, 2025 — Researchers have analyzed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly skin ...

The sheer scale of Earth's plastic problem has been laid bare in a new study. Researchers from the British Antarctic Survey (BAS) have discovered microplastics in the snow near some of Antarctica ...

Find Fresh Water Crayfish stock video, 4K footage, and other HD footage from iStock. Get higher quality Fresh Water Crayfish content, for less—All of our 4K video clips are the same price as HD. Video ...