Tagged With erosion

When NASA's New Horizons space probe zipped past Pluto in 2015, it revealed portions of the dwarf planet's surface were strewn with what could only be described as gigantic blades of ice, many of which extended into the Plutonian sky for hundreds of metres. Finally, after nearly two years of research, a team of scientists think they have figured out the nature of these odd features and how they came to appear on the surface.

For three weeks in February, torrents of water rushed down the emergency spillway at Oroville dam, prompting fears that the entire structure would collapse. New images show what's left of the 914m long concrete spillway -- and the tremendous challenge that now confronts repair crews.

On a tiny island at the end of the world, a lonely weather station is slowly tumbling off a cliffside. It's a perfect metaphor for the state of our planet. Say hello to Vize Island, Russia. It won't be around much longer.