For decades, Culex pipiens f. molestus was called the "London Underground Mosquito". Most people, including scientists, ...

A strange invader is marching across the United States, born of two different species. Red fire ants and black fire ants have ...

So much so, in fact, the two species can interbreed. They live in the Arctic and rely on the marine ecosystem to survive. Most of the year, they reside on sea ice, but migrate to land once that ...

According to NOAA, “the two species are so closely related that they can interbreed and are difficult to distinguish. However, the Greenland shark is much better studied because it has a long ...

On an average, it takes up to 12 years to add a species to the federal Endangered Species list, a backlog activists say puts ...

So much so, in fact, the two species can interbreed. They live in the Arctic and rely on the marine ecosystem to survive. Most of the year, they reside on sea ice, but migrate to land once that ice ...

With 20% of male escapees sexually mature and capable of breeding with wild Atlantic salmon, threat to wild stocks ‘is ...

Learn what a Baltimore oriole bird looks like and where to see one. The orange and black bird is a welcome visitor in the ...