NASA says Mars mountain will read like 'a great novel'

The US space agency's unmanned Curiosity rover will explore a mountain on Mars that should read like "a great novel," revealing if signs of life ever existed on the red planet, NASA said Friday.

Monitoring Mississippi Delta flood from space

As floodwaters roll downstream, earth scientists at the University of Pennsylvania are keeping a watchful eye on the Mississippi Delta using satellite images and measurements of the sea surface in the Gulf of Mexico.

Mississippi crests in Memphis at nearly 48 feet

(AP) -- The Mississippi River crested in Memphis at nearly 48 feet on Tuesday, falling inches short of its all-time record but still soaking low-lying areas with enough water to require a massive cleanup.

Flooding peaks in Memphis; downstream danger lurks

(AP) -- As the Mississippi reaches its high point in Memphis and attention turns to a time-consuming clean up, farmers downriver built homemade levees to protect their crops and engineers diverted water into a lake to ease ...

Image: Nile river delta at night

(PhysOrg.com) -- One of the fascinating aspects of viewing Earth at night is how well the lights show the distribution of people. In this view of Egypt, the population is shown to be almost completely concentrated along the ...

The Meandering Channels of Mars

Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.

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