How did horses evolve?

A new 'tree of life,' showing how horses have evolved over the past 18 million years challenges long-held ideas.

Toxic pollutants persist in deepest ocean

Banned chemicals from the 1970s have been discovered in the bodies of crustaceans in the deepest of Earth’s ocean trenches.

Wow! 2017 underwater photo contest winners

Winners of the 2017 Underwater Photographer of the Year (UPY) contest. How do you choose a favorite?

Magnetic pole reversal ahead?

What’s magnetic north would become magnetic south. Is Earth headed to a pole reversal? A look at the archaeological record in southern Africa provides clues.

Sky solution to help endangered species

An astrophysicist and an ecologist are combining their expertise using drones, thermal cameras and the techniques used to analyse objects in space in order to help endangered species.

Lost continent under Indian Ocean?

Evidence in rocks of a "lost continent," thought to be leftover after the ancient supercontinent Gondwana began breaking up some 200 million years ago.

Frog tongue in super slo-mo action

Frog snags cricket with its ‘bungee cord’ tongue. Watch it in super slo-mo and find out why it works so well.

History of global temperature 1880-2016

Take 14 seconds to watch the change in Earth's surface temperature from 1880 through 2016.

Death of Granny, matriarch killer whale

What happens when an endangered whale pod loses its wise old grandma?

Shark attacks drop to average in 2016

After 2015’s record year, 2016 saw fewer shark attacks worldwide. Here in the U.S., the most happened in Florida.

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