In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. Earth-like ...

Complex life began to develop earlier, and over a longer span of time, than previously believed, a new study has revealed. The research sheds new light on the conditions needed for early organisms to ...

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 ...