Both sides dig in as EPA's final decision on Pebble Mine nears

Environmental advocates, Alaska Natives and commercial fishermen say they are at once confident and anxious as they wait for the EPA to announce a final ban on mining wastes in Bristol Bay, Alaska—home to one of the world's ...

Meteorite provides record of asteroids 'spitting out' pebbles

In 2019, NASA's OSIRIS-REx spacecraft sent back images of a geological phenomenon no one had ever seen before: pebbles were flying off the surface of the asteroid Bennu. The asteroid appeared to be shooting off swarms of ...

Disabled kea uses tools for self-care

Scientists say they've found the first evidence of tool use by a kea for the purpose of self-care, in a new study from the University of Auckland.

New finds for Mars rover, seven years after landing

NASA's Curiosity rover has come a long way since touching down on Mars seven years ago. It has traveled a total of 13 miles (21 kilometers) and ascended 1,207 feet (368 meters) to its current location. Along the way, Curiosity ...

Evolution of Alpine landscape recorded by sedimentary rocks

Rock avalanches and torrents started to form V-shaped valleys in the Swiss Alps approximately 25 million years ago. This landscape contrasts to the flat and hilly scenery, which characterized the Alps a few millions of years ...

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