Sea otters are one of the few animals that use rocks and other objects to access their food, and a new study has found that individual sea otters that use tools—most of whom are female—can eat larger ...

Chinese researchers have unveiled a new deep-sea tool capable of cutting through the world’s most secure subsea cables − and it has many in the West feeling a little jittery. The development, first ...

Sea otters are known for using tools, but not all of them do. A new study finds those that use tools have better survival odds in a world where their traditional food sources are changing. You've ...

Beneath the ocean’s surface, hidden from view, lies a global nervous system. Thousands of miles of armored cables carry internet traffic, financial transactions, and military communications between ...

In parts of the ocean where sea otters face stark competition for their favorite kinds of food, some otters are getting by with the help of tools — like rocks and even glass bottles — that let them ...