Butterfly tree of life reveals an origin in North America

About 100 million years ago, a group of trendsetting moths started flying during the day rather than at night, taking advantage of nectar-rich flowers that had co-evolved with bees. This single event led to the evolution ...

Drought hits Central America's crops, cattle

The last raindrop fell three months ago, forcing Carlos Roman to take his cattle further and further away to find water and keep them alive in Nicaragua's northeastern farmlands.

NASA analyzes Cristobal, the big rainmaker

NASA's Aqua satellite gathered infrared imagery and cloud top temperature data on Tropical Depression Cristobal, and it revealed the heavy rainmaking capability of the storm.

Meet Gobihadros, a new species of Mongolian hadrosaur

The complete skeletal remains of a new species of Mongolian dinosaur fill in a gap in the evolution of hadrosaurs, according to a study released April 17, 2019 in the open-access journal PLOS ONE by Khishigjav Tsogtbataaar ...

A finer picture of global migration reveals complex patterns

While public discussions often focus on climate change driving people to emigrate, new research published in Nature Human Behaviour shows that net-migration patterns around the world are actually more strongly linked with ...

Guatemala to aid growers battling coffee fungus

Guatemala decreed an agricultural emergency Friday because of a coffee tree fungus that is ravaging crops and could cost the sector up to $400 million this year.

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