For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

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

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

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

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

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

Admire our galaxy’s dramatic galactic core—a sparkly bulge of stars and gas—while summer’s short ‘Milky Way season’ lasts ...