A celestial shadow known as the Circinus West molecular cloud creeps across this image captured from Chile with the ...

In his beautifully illustrated book, Charles Hood opens our senses and shares his global nocturnal travels with night-feeding ...

In a moment that felt ripped straight from the pages of a fantasy novel, a video of an eerie, black cloud drifting over ...

The arid Southwest has a proven irrigation model, the acequia, for water use that is local, democratic, and resilient to heat ...