Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

Add Yahoo as a preferred source to see more of our stories on Google. Turning red-hot lava from an active volcano into electricity would be dangerous and unreliable. Volcanoes don’t erupt on ...

When we think of ice on Mars, we typically think of the poles, where we can see it visibly through probes and even ground-based telescopes. But the poles are hard to access, and even more so given the ...