There's a new hypothesis that the earth once had two moons. It accounts for weirdness with the moon's formation, and inspires stories too. [Continue]

Sea level changes from global warning will innundate coastlines and have a large impact on society and economies. This post looks at what science fiction has to say about such scenarios. Part 3 of a 3-part series. [Continue]

A 2-meter rise in sea level will submerge important parts of New York, and much other coastal territory besides. This post looks at the magnitude of change that might accompany a rise in sea levels. Part 2 of a 3-part series. [Continue]