The outlook for butterflies in the U.S. seems as fragile as their delicate wings, as a study reveals the population of 554 ...

The plight of the monarch butterfly could cost farmers a valuable tool in the fight to protect crops from weeds and pests. An ...

Unique creatures, odd animals and new species are discovered across the planet. Some are found lurking in remote corners of the world, while others have been hiding right under our noses. Learn more ...

Of the 554 species studied, two-thirds declined by more than 10%. But in one small corner of New York, a rare species is ...