Removing trees deprives the forest of portions of its canopy, which blocks the sun’s rays during the day and retains heat at ...

Bison—also known as buffalo—once ambled across North American prairies in enormous herds, with their full population reaching the tens of millions. Indigenous peoples across the continent relied on ...

A popular idea suggests a link between big brains and a rich social life, but octopuses don't fit the pattern, which suggests ...

Feeding wild animals might seem like a harmless act of kindness, but it often carries serious and unintended consequences.

Researchers from Tokyo University of Agriculture and Technology analyzed decades of data and found that "the activity ranges of large mammals such as wild boars, Asiatic black bears, mountain goats, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. South America’s lush Amazon region is a biodiversity hotspot ...

A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants. Illustration by Diego Barletta The largest sloth of all time was the ...

From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes can be their biggest advantages. Found across every continent except ...