Wooly devil is new plant species discovered at Big Bend

Staffers at Big Bend National Park have discovered a new plant species. The fuzzy white flowering plant is named wooly devil.

Secretary birds are expert snake killers

Secretary birds are elegant, beautiful creatures. But they are also fierce and a snake's worst nightmare! Find out more about these incredible creatures.

Have you seen a white rainbow? That’s a fogbow!

Have you ever seen a rainbow but without any color? That's a fogbow, also called a white rainbow or ghost rainbow. Here's how they form.

Why is life on Earth so colorful?

The color of life - in the world's plants and animals - has evolved over time. Read why certain color adaptations benefit animals and plants.

A bold new theory of intelligent life and origin of humanity

Was the rise of humanity simply a matter of luck? A new theory says no, that we - and perhaps other intelligent life - are the probable outcome of evolution.

Earth’s ice caps are temporary and rare, study suggests

How and why did Earth's ice caps form? A new study suggests they are a rare event in the planet's history, the result of multiple coincidental cooling events.

Earth’s inner core changes shape over time

Scientists report that Earth’s inner core is not perfectly solid. Its surface changes shape over time due to interactions with the outer molten core.

Extreme cold is impacting more than 1,000 miles of US

Extreme cold is impacting thousands of miles of the United States Wednesday and Thursday with temperatures running 20 to 30 degrees below average.

New fish species named for Princess Mononoke

A new fish species found in a Chinese fish market has distinctive cheek stripes, earning it the name of a character from the animated movie "Princess Mononoke."

Lightning strikes on Earth can trigger electron showers

Scientists have found evidence that lightning strikes on Earth can send showers of electrons raining down from radiation belts surrounding the planet.