'Firefall' phenomenon wows visitors to Yosemite's El Capitan

Mother Nature is again putting on a show at California's Yosemite National Park, where every February the setting sun draws a narrow sliver of light on a waterfall to make it glow like a cascade of molten lava.

The 'uberisation' of work is driving people to co-operatives

Street protests against popular "sharing" economy firms Uber and Airbnb have become commonplace around the world. Both these sector giants are succeeding in circumventing market regulations in many markets in areas including ...

Black bear links real objects to computer images

American black bears may be able to recognize things they know in real life, such as pieces of food or humans, when looking at a photograph of the same thing. This is one of the findings of a study led by Zoe Johnson-Ulrich ...

Image: Space Station flyover of Morocco

Expedition 47 Flight Engineer Jeff Williams of NASA captured this detailed photograph from the International Space Station during a daytime flyover of Morocco on May 2, 2016.

Real or virtual: Scientists ask—can we tell the difference?

A Dartmouth College-led study shows that people find it increasingly difficult to distinguish between computer-generated images and real photos, but that a small amount of training greatly improves their accuracy.

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