Learn how to identify igneous rocks
Learn how rocks form
Billie Eilish on inventing a greener kind of concert tour
Learn to identify cherry trees
Learn to identify juniper trees
Hunting morels this spring? Here’s how to forage them safely.
Why thunderstorms are supercharging your pollen allergies
Can the Aral Sea be reborn?
Learn to identify pine trees
A Soviet sea, killed by an obsession with 'white gold'
Learn to identify maple trees
Cristian Lagger explores the planet’s coldest, darkest places
Learn to identify oak trees
Learn to spot cumulonimbus clouds
Learn to spot nimbostratus clouds
Wisteria season is here—but be careful which species you plant
Learn to spot stratus clouds
Learn to spot cirrus clouds
Learn to spot cumulus clouds
What a ‘super’ El Niño means for the planet
The tree nobody liked
We depend on plastic. Now we’re drowning in it.
Why our annual April showers are becoming April storms
Katy Croff Bell is making a visual treasure map of the deep sea
Tornado alley is moving east—and it's deadlier than ever
Passing the torch in protecting Hawaiʻi’s shores
Survival of the most cooperative
An ancient Hawaiian marine technology could help oceans recover
White rainbows are real—but very rare
The genetic reason why cherry blossoms bloom at the same time
Where to see one of California’s best superblooms in years
Nurturing Japan’s next generation of coastal protectors
Revitalizing Japan’s coasts through satoumi, science & school
What disaster preparedness experts have in their go bags
Where to find the first flowers of spring
Alaska's melting glaciers are revealing long-lost frozen bodies
What it takes to land a plane on a runway made entirely of ice
Yosemite's firefall has returned. Here's how to see it.
The desert is getting too hot for Joshua trees. Can we move them?
How clean-air scientists purify their homes
Scientists record coldest ocean temperature in Earth's history
Inside spogomi, the growing competitive sport of picking up trash
The uncertain future of the world's most expensive spice
A marine scientist explains why she eats seafood—even octopus
What is black ice? The science behind the winter threat
See a ghost 'fairyland' forest reemerge in Florida
Searching for life across the planet’s frigid frontiers
Busting the 5 biggest myths about renewable energy
How this photographer captured 129 portraits of fire survivors
How smart cities are being reinvented after natural disasters
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