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Drone recon finds ancient Silk Road irrigation system

Scientists used drones to map a previously-unknown, 1,600-year-old irrigation system that allowed farming in arid northwest China, one of world’s driest climates.

Our Milky Way as a “melting pot”

Where do stars we see at night come from? Newly confirmed streams of stars – thought to be coming to our Milky Way from other galaxies – suggest not all Milky Way stars were born here.

A 3D journey through the Orion Nebula

Astronomers and visualization specialists at NASA have just released this unprecedented, 3-dimensional, fly-through view of the Orion Nebula, a nearby star-forming region.

See it! High tides and winter storms

High tides followed Monday’s supermoon, as Storm Eleanor plowed into Europe. Then a “bomb cyclone” hit the U.S. East Coast. Photos here showing winter’s power and terrible beauty.

Sorry cat-lovers: New study says dogs are smarter

The study – from a self-confessed dog lover – counted cells in animals’ brains associated with thinking, planning and complex behavior.

Scientists explain insights from ancient Tibetan ice core

A short film about an expedition to Tibet’s Guliya Glacier, where scientists drilled a Stone Age ice core going back 600,000 years. Plus a report on what the ice core reveals.

Is the star RZ Piscium eating its planets?

Astronomers knew this star was “winking,” or dimming erratically. They thought it might be young. Now they think RZ Piscium might be more evolved than our sun, and hungry.

Watch: Grand Canyon cloud inversion

A full cloud inversion followed by a snowstorm over Grand Canyon National Park in this gorgeous new time-lapse.

Arctic report card 2017

The report shows the warming trend that’s transforming the Arctic region is persisting. The Arctic shows no sign of returning to reliably frozen region of recent past decades, say scientists.

Astronomers chart galaxy orbits in our Local Supercluster

“For the first time, we are not only visualizing the detailed structure of our Local Supercluster of galaxies, but we are also seeing how the structure developed over the history of the universe.”