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Why zebras have stripes
New research suggests that stripes help zebras evade biting flies and the deadly diseases they carry. Hear from the scientists who led the study.
February 25, 2019
Countdown to calving at Antarctic ice shelf
Cracks growing across the Brunt Ice Shelf are poised to release an iceberg about twice the size of New York City. A scientific presence on the ice shelf since 1955 has an uncertain future.
February 25, 2019
Could cockroaches survive a nuclear apocalypse?
Cockroaches have a reputation for resilience, even when it comes to surviving a nuclear bomb and radiation - but will they really outlive us all?
February 23, 2019
Earth’s atmosphere extends beyond moon
In fact, these researchers said, the moon flies through Earth's outermost atmosphere, called its geocorona.
February 21, 2019
The ozone hole: Closing the gap
After thinning at alarming rates in the 1980s and 90s, the ozone layer over Antarctica is starting to recover.
February 21, 2019
NOAA announces the arrival of El Niño
This year's El Niño is likely to be weak, with little influence on weather through early spring, say NOAA forecasters.
February 18, 2019
Ancient spider fossils have reflective eyes
A remarkable set of fossil spiders found in South Korea display reflective eyes.
February 16, 2019
From Chelyabinsk to Cuba: The meteor connection
The scientific team that used YouTube videos to determine the trajectory of the Chelyabinsk meteor used the same method to track the trajectory of the bright meteor that crossed the sky over Cuba on February 1.
February 15, 2019
5 things about radiation donuts, in 2 minutes
Did you know that our planet has radiation donuts? These giant, donut-shaped clouds of radiation are called the Van Allen Belts.
February 15, 2019
How animals love
“The animal world tells us again and again and again that love is really important.”
February 14, 2019
