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These sea turtles use magnetic fields like GPS
"They might not always make it back to the exact beach where they were born, and instead might opt for beaches with similar magnetic properties, as if their internal GPS has just slightly mixed up addresses."
April 24, 2018
This Pacific island is the most plastic-polluted place on Earth
Explore remote, uninhabited Henderson Island in the South Pacific. It may look idyllic from above, but is littered with millions of tons of plastic.
April 22, 2018
Latest snow on record for thousands of US locations
What's the latest date that measurable snow has fallen in different parts of the United States? Check this interactive map from NOAA to find your record latest snow.
April 20, 2018
Was another civilization on Earth before humans?
How do we know earlier industrial civilizations on Earth didn't rise and fall long before humans appeared? That's the question posed in a new scientific thought experiment.
April 18, 2018
March 2018 in top 6 warmest on record
Last month wasn't as hot as March 2016 or March 2017, but it's in the warmest 6 since modern record-keeping began in 1880.
April 18, 2018
Underwater noise pollution stresses aquatic animals
The roar of motors, ping of military sonar, bangs and blasts from offshore development are distracting, confusing, and even killing, aquatic animals.
April 17, 2018
Top 10 things about brown recluse spiders
It's their active season. Here are some things you might not know.
April 6, 2018
Earth’s magnetosphere envelops and protects us
A giant bubble of magnetism protects us from the sun's fury. Take 3 minutes to learn about it, in this new NASA ScienceCast video.
April 6, 2018
Sahara Desert is expanding
A new study finds that the world’s largest desert has grown by 10 percent since 1920.
April 5, 2018
Does space weather threaten high-tech life?
The wired Earth of the 21st century is at the mercy of the volatile nature of the sun, says a scientist who studies solar storms.
April 4, 2018
