Nothing strikes fear in the hearts of humans like a shark fin in shallow water. They are often portrayed as silent killers, scouring the ocean for prey. Their cold, fearsome reputation has influenced ...

While many sharks are solitary, some, like lemon sharks, enjoy being social and may have more docile personalities than other sharks. ©MD Nakib/Shutterstock.com Trees first appeared on Earth during ...

Sharks are one of the most fascinating creatures in the ocean. These ancient creatures have roamed Earth's oceans for over 400 million years. Found in every ocean, they range from tiny reef dwellers ...