The 2016 summer Olympics in Brazil could make the rich richer and the poor poorer, an author says, but even so it should be a good party.
On International Orangutan Day, we take a look at these lovable tree-dwelling apes, whose numbers are plummeting fast due to deforestation.
“Firenados” aren’t that rare, but are rarely documented.
The dramatic behavior, usually observed off South Africa, is rare for the eastern U.S., according to shark experts.
A fossil site in the Republic of Georgia yields clues to humankind’s first missiles.
Risk of deadly disease is low, but squirrel deaths in park raise alarm.
The oil and gas sector will have to clamp down on the greenhouse gas at new facilities.
2016 Indianapolis Prize nominees include nearly a dozen National Geographic explorers.