Swarm of earthquakes on a previously unknown fault in western Nevada

The tallest known cliff in the solar system: Verona Rupes on Miranda, 12 miles high. For comparison, El Capitan in Yosemite is about 0.6 miles high.

And here's a 2.5-mile high cliff band on Mars. Terraforming, please!

The Ayapaneco language has only two remaining speakers - and they won't talk to each other.

Yellowstone Volcanic Plume Larger than Previously Thought

Don't miss the teaser for John Scalzi's new fantasy novel, The Shadow War of the Night Dragons, Book One: The Dead City (announced yesterday).

Lot of overlap between a parody of bad fantasy and good Terry Pratchett. I expect it took a certain amount of willpower for Scalzi not just to keep writing.

Update: And a follow up, a statistical look at fantasy novel titles.