Mars water-ice clouds are key to odd thermal rhythm

(Phys.org) —Researchers using NASA's Mars Reconnaissance Orbiter have found that temperatures in the Martian atmosphere regularly rise and fall not just once each day, but twice.

Rising seas swamp Marshall Islands

Residents in low-lying areas of the Marshall Islands were braced for ongoing flooding Friday, as a series of high tides underscores the Pacific island nation's vulnerability to climate change.

The tides they are a changin'

Scientists from the University of Southampton have found that ocean tides have changed significantly over the last century at many coastal locations around the world.

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