Water Underground
Drought stressed the groundwater stores of the southern United States in 2011 and 2012.
Infant Stars Shimmer in Orion's Nebula
Infrared data from two telescopes combine to expose rapid growth of infant stars.
Brain Evolution: The Sweet Smell of Success
A keen sense of smell may have given humans an edge in brain development.
Fire Ants Raise Brazilian Butterflies
Fire ants play a care-giving role for butterfly larvae.
Wildlife Trade Presents Health Risks
In the worldwide wildlife trade, public health risks run high.
