It's been studied for centuries, yet we learn something new about it all the time.
Newly discovered shark puts on a light show to lure in its next meal
July 22, 2019, 1:36 p.m. by Christian Cotroneo
Only 2 American pocket sharks have ever been found.
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Cigarette butts are the most pervasive man-made pollutant
July 22, 2019, 12:18 p.m. by Noel Kirkpatrick
These plastic filters far surpass plastic straws in coastal cleanup tallies.
The controversy behind the world's next great telescope
July 22, 2019, 9:45 a.m. by Robynne Boyd
Thirty Meter Telescope will be built in a culturally and ecologically sensitive area of Hawaii.
California condor births mark a milestone — and we have pictures to prove it
July 21, 2019, 9:29 a.m. by Christian Cotroneo
It took months of sleuthing and cliff-scaling to confirm.
Birds' beauty and resilience shine through in winning Audubon images
July 19, 2019, 2:28 p.m. by Mary Jo DiLonardo
Photography awards highlight striking images of birds and they places they live.
Joshua trees face extinction by 2070 unless we address climate change
July 19, 2019, 8:25 a.m. by Mary Jo DiLonardo
The quirky tree has survived 2.5 million years but may barely last 50 more.
Coast redwoods: Majestic giants benefit all humankind
The problem with fake service dogs
Canada opens world's longest hiking trail that stretches coast to coast
The Inuit have a simple way of teaching their children how to control anger
Rap star Nelly has been quietly sending 2 kids to college every year for a decade
What does Mercury in retrograde mean?