great white sharks

Why do sharks swim so close to shore? Scientists have finally discovered the answer

Science
Dr. Sarah Adams

Travel By Alex Mitchell Published May 17, 2024, 1:39 p.m. ET Summer’s almost here — and so are the sharks. For years, ...

Megalodons were skinnier than we previously thought, new study suggests

Science
Dr. Sarah Adams

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Megalodons, the huge ...

Killer whales seemed to wreak havoc this year. What drove their headline-making behavior?

Science
Dr. Sarah Adams

It’s easy to be misunderstood with the word “killer” in your name. Still, this year seemed to be a wild one for ...