New research shows that losing threatened requiem shark species could erase millions of years of tooth evolution and squeeze ...

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...

SARASOTA, Fla. (WWSB) - Venice is known as the shark tooth capital of the world with people coming from near and far to look for teeth every day. So why are there so many sharks teeth? Dr. Harry ...

A global treaty has extended trade protections to more than 70 shark and ray species whose numbers are in sharp decline. By Alexa Robles-Gil Last week, the world’s leading wildlife trade agreement ...

A first-ever analysis of the whole Greenland shark genome gives researchers a couple of clues to their longevity. When this Greenland shark was born, Leonardo painted the Mona Lisa. The species is the ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

A study of marine parks spanning Mexico to Ecuador found key differences that allow ecosystems to flourish. Seen from above the ocean surface, the tiny island of Roca Partida in Mexico's Revillagigedo ...

Artur is a copywriter and SEO specialist, as well as a small business owner. In his free time, he loves to play computer games and is glad that he was able to connect his professional career with his ...