Environment
Mars rocks may have drunk up all the water and doomed life there
We used to think Mars lost most of its water to space when its atmosphere blew away. Instead, the water may have been sucked up by rocks that sunk underground
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Life
Why complex life could prove remarkably common in the universe
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Space
Ocean-covered planets may not be the places to search for life
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Space
Should we seed life through the cosmos using laser-driven ships?
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Environment
Space cucumbers may help plants grow better water-seeking roots
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Life
Tides on exoplanets could drive alien biological clocks
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Life
The best way to detect aliens may be by finding their footprints
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Life
Mars rover sees signs of microbe-friendly layers in ancient lake
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Life
Send an ear: Listening for sounds of life in the solar system
Features
Life
Floating in microgravity gives bacteria permanent genetic boost
Life in simulated zero gravity turns bacteria into reproductive powerhouses and may help them form tough colonies that could pose a risk to humans in space
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Space
Microbes might thrive after crash-landing on board a meteorite
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Life
Let’s seek traces of ancient indigenous ETs in our own backyard
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Space
Martian life must be rare as free energy source remains untapped
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Life
We could detect alien life by finding complex molecules
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