Scientists have shown for the first time the widespread harm caused in Peru by cutting down the palm tree Mauritia flexuosa in order to harvest its fruit. The scientists examined where and why the ...

Poinsettias, a favorite of backyard gardeners, are now exhibiting their scarlet, petal-like bracts, just in time for the holidays. The onset of 14-hour-long nights triggers their behavior: In San ...

Editor’s Note: Call to Earth is a CNN initiative in partnership with Rolex. Laury Cullen is a Rolex Awards Laureate. Small, round, and midnight blue, you’d be forgiven for mistaking the juçara berry ...