The only species ever to become extinct more than once, the Pyrenean ibex, native to the Pyrenees mountains, first died out ...

In North America, five families of moths have caterpillars that can deliver painful stings. Find out which ones in this article.

Lions, tigers and bears that managed to survive in substandard conditions at a now-shuttered zoo on the outskirts of Buenos ...

A rare seabird is recovering from a successful and life-saving surgery. A fisherman from Anconcito, Ecuador, found the ...

Scientists have identified a new coronavirus strain, BRZ batCoV, in Brazilian moustached bats, sparking global concern over ...

The second expedition took researchers to the Southern Ocean’s Bellingshausen Sea, off West Antarctica. The team was the ...

The Tremembé Formation itself is the only fossil-rich unit in Brazil from the Late Oligocene that preserves mammal remains.

In Argentina’s Río Negro region, scientists discovered a 70-million-year-old, remarkably preserved carnivorous dinosaur egg ...

Dogs and cats are not the exotic animals that typically come to mind when one thinks of the Galapagos Islands. But 600 miles off the coast of Ecuador, ...

Although the chemistry of autumn colours is well understood, there is an ongoing debate among scientists about why trees evolved their vivid autumn colours in the first place.

As the United States prepares to celebrate its 250th anniversary, we’ll see a familiar emblem everywhere — the bald eagle, wings outstretched, symbol of freedom and strength.

The rise of infections caused by Mgen, C. auris, treatment-resistant E. coli, and more could become future public-health threats, experts say.