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Scientist seeks 'adventurous woman' to have Neanderthal baby

Oops! 5 retracted science studies from 2012

100 trillion creatures are living on you right now -- and that鈥檚 okay

Humans smell fear, and it's contagious

'Aliens of sea' offer new insight into evolution

Vatican scientists co-host conference in Arizona seeking alien life in universe

'Tunnels' and 'spheres' in meteorite revive debate over life on Mars

Duh! The 13 most obvious findings of 2013

Dog-to-English translator funded on Indiegogo

Virus likely causing mass dolphin die-off, NOAA says