Their courtship flights bend the barriers of physics in nature.
You wouldn't want to be in this top predator's path.
In Brazil, crowdsourcing intel on sick animals helps health officials gird against yellow fever outbreaks.
Researchers constructed a hydrographic map of South America going back 600 years.
The long-lashed mammals represent a cultural cornerstone and a booming industry.
In Chile, a rare rodent sits atop 3.5 million ounces of extractable gold. Now a mining company is trying to...
Mile upon mile of the rainforest has been replaced with a wide range of commercial developments. That’s why it’s the...
With the beef and charcoal industries on the rise, the future of the Chaco and its indigenous residents is looking...
They traveled for days to march through the streets of US cities.
This iconic electric fish is no longer alone on its family tree.
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