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image: RNA World 2.0

RNA World 2.0

By | March 1, 2014

Most scientists believe that ribonucleic acid played a key role in the origin of life on Earth, but the versatile molecule isn’t the whole story.  

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image: Green Gold

Green Gold

By | January 1, 2014

It’s been decades since researchers confirmed the presence of gold in plants, but biogeochemical prospecting has yet to catch on.

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image: Life Below the Seabed

Life Below the Seabed

By | March 14, 2013

Rock samples from deep within the Earth’s oceanic crust contain chemosynthetic microbial life.

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image: Meteorite hints at life’s origins

Meteorite hints at life’s origins

By | June 9, 2011

As debate continues to swirl around arsenic-loving bacteria, a space rock yields new astrobiological clues.

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