Moisture farming sounds promising but may not be the best tech for California.
The 2007 climate report was wrong about Himalayan glaciers: They will not disappear soon, says a 2014 report. But what do we know that we didn't know then?
A quarter of a billion years ago Africa slammed into North America and left a scar that can be seen today with special instruments.
The Khumbu Icefall is a chaotic jumble of house-sized ice boulders set with a hair trigger that must be traversed to climb the world's highest mountain.
New research into the height of a very remote Andean plateau reveals just the latest surprise from the Earth's second-greatest mountain belt.
New modeling of the Pluto-Charon system give good reasons to suspect that the surface of Pluto will be riddled with faults caused in part from a liquid ocean that once lie hidden under the icy surface.
New work shows how the highest mountain range in the world is not so much a tectonic train wreck as a shuffled pile of crumbly crustal dominoes.
Some of Mars' lava fields may actually be massive mud flows, indicating that they weren't created by ancient volcanic activity at all.
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