The Iowa skipper butterfly, once common in U.S. prairies, faces extinction due to habitat loss and pesticides.
Some mornings in Dhaka, the air hangs heavy with moisture and exhaust, and the clouds threaten another downpour. Yet the rain ...
TEHRAN-Archaeological studies show that tool-making humans lived in the Holeylan Valley in Ilam province for about 100,000 ...
Scientists have discovered how one of the world's most destructive plant diseases manages to slip past crops' defenses—a ...