Ice Age human footprints discovered in Utah desert

Human footprints believed to date from the end of the last ice age have been discovered on the salt flats of the Air Force's Utah Testing and Training Range (UTTR) by Cornell researcher Thomas Urban in forthcoming research.

Nanoparticles can save historic buildings made from porous rock

Many historical buildings were built of sandstone, including Vienna's St. Stephen's Cathedral. Sandstone is easy to work with, but does not withstand weathering. It consists of sand grains that are relatively weakly bonded ...

Curiosity captures stunning views of a changing Mars landscape

For the past year, NASA's Curiosity Mars rover has been traveling through a transition zone from a clay-rich region to one filled with a salty mineral called sulfate. While the science team targeted the clay-rich region and ...

NASA's Perseverance studies the wild winds of Jezero Crater

During its first couple hundred days in Jezero Crater, NASA's Perseverance Mars rover saw some of the most intense dust activity ever witnessed by a mission sent to the Red Planet's surface. Not only did the rover detect ...

Decline in North Sea puffins causes concern

The Isle of May, off Scotland's east coast, is home to one of the UK's biggest colonies of seabirds. Some 200,000 birds, from kittiwakes to guillemots can flock to the rocky outcrop at the height of the breeding season.

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