Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.
Morning Overview on MSN
Scientists say they just cracked a huge conundrum behind complex life
A team led by researchers at the University of Texas at Austin has produced what may be the strongest evidence yet that the ancient ancestors of all complex life on Earth already had the genes to use ...
A dead whale sinking to the ocean floor creates a unique deep-sea ecosystem.: this whale fall provides food for scavengers, then enriches sediments for other creatures. Finally, bacteria in bones ...
The deep sea is integral in ocean cycling processes that carry nutrients and oxygen all over our planet. This underexplored realm is the basis of food chains that sustain billions of people and helps ...
When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from human view: the secret ...
Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.
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