The Return of Measles
Cases are creeping up in America, and not because of politics.
Science
Fruit Chaos Is Coming
Climate change is threatening to turn sublime summer stone fruits disgusting, or rob us of their pleasures entirely.
Do Animals Have Fun?
Scientists want an evolutionary explanation for animal play. But maybe the answer is simply: It brings them joy.
Evolution Isn’t Just a Matter of Chance
Mollusk eyes could help unravel a long-standing biological mystery.
The Oceans We Knew Are Already Gone
As far as humanity is concerned, the transformation of our seas is “effectively permanent.”
The Cystic-Fibrosis Breakthrough That Changed Everything
The disease once guaranteed an early death—but a new treatment has given many patients a chance to live decades longer than expected. What do they do now?
The Universe Is Nothing Without Us
I was called to science to seek a truth that transcended humanity. What I found instead is much more rewarding.
Goodbye to Biden’s First Climate Envoy
John Kerry believes the world can still limit global warming, even if U.S. climate politics are “embarrassing.”
A Persistent Lightning Mystery Has Finally Been Solved
What’s the lightning capital of the U.S.?
Shark Teeth Aren’t Just ‘Triangular Pointy Things’
Scientists are studying ancient teeth for clues about the ocean’s past.