The extraordinary event temporarily shut down equipment at the ALMA Observatory, and the snow reached the telescope's main ...

For scientists and space researchers, the Atacama Desert isn’t just any stretch of earth, it's Earth’s closest analog to the ...

Snow covered Chile's Atacama Desert, offering a rare sight of winter in a place with almost nonexistent rainfall and normally ...

Curiosity finds strange boxwork ridges on Mars that hint at ancient underground water. Scientists are now drilling for ...

A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

The Atacama Desert, known as the driest place on Earth and famed for its alien, Mars-like landscape, stunned scientists and ...

The ALMA radio telescope array in the Atacama Desert temporarily halted operations after a rare snowfall blanketed the base ...

Residents of the world's driest desert, the Atacama in northern Chile, woke up Thursday to a jaw-dropping spectacle: its ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

Discover why Antarctica no longer has lush forests with giant ferns and how ancient fires fueled intense volcanic activity.