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What could aliens look like? How could evolution work on other planets?

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...
来自MSN

Life as we don't know it: Some aliens may need sulfuric acid like we need water

Life as we know it needs water, but life as we don't know it may run on concentrated sulfuric acid. The chemistry of life as we know it wouldn't work in a place like the huge Saturn moon Titan, where ...
Asianet Newsable on MSN

Study says alien life depends on nitrogen and phosphorus, not just water

Is water enough to find alien life? New research reveals phosphorus and nitrogen are crucial. Discover the 'chemical ...
Yahoo

Here’s where NASA is looking for alien life in our solar system

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...