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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.
February 26, 2025
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.
February 23, 2025
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.
February 21, 2025
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.
February 20, 2025
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.
February 20, 2025
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.
February 19, 2025
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."
February 17, 2025
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.
February 16, 2025
Bird fossil hints Antarctica was a refuge from killer asteroid
Scientists have found the oldest-known modern bird fossil in Antarctica. It suggests this land could have been a refuge from the dino-killing asteroid.
February 14, 2025
Juvenile sea turtles might be active swimmers
Young sea turtles don't just live in the deep ocean, as previously thought. They appear to be active swimmers, not just drifting on currents.
February 13, 2025
