Scientists named 190 new plants and fungi in 2025, many already threatened. New DNA tools are speeding discovery as habitat ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

President Donald Trump has arrived at a delicate moment as he weighs whether to order a U.S. military response against the ...

The newly named northern green anaconda or Eunectes akayima is reportedly the largest in the world, capable of exceeding ...

By Jenny Gonzales An inhabitant of the Amazon Basin and one of the world’s largest freshwater fishes, the pirarucu (Arapaima ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

Venezuelan tarantulas have adapted to fill many different ecological niches. Learn more about the nearly 50 spiders native to ...

And they find one: a female green anaconda about 16 to 17 feet long, “pure muscle.” The Waorani secure the giant ...

For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

Money-hungry fisherman and salesman are ignoring international regulations so they can reap big profits in the illegal sale ...

Anaconda footage from the Amazon forest in a Nat Geo series shows scientists sampling a giant Green anaconda, tied to a proposed new species.

Orange juice prices have skyrocketed across America. A 12-ounce bottle that cost $2.30 in 2020 now sells for more than $4.50 ...