At Davos, the billionaire said his belief that “it might only be us” in the cosmos drives Tesla, SpaceX, and his vision for humanity’s future. Elon Musk proclaimed he’s an alien during a Thursday ...

Researchers are studying how hospitable our universe is to creating life. It’s related to the density of dark energy, which impacts star formation and the chances of life forming. The idea is that ...

CRISPR kick-started a golden age of genetic research — but in nature, there are hundreds of similar systems with unexplored potential for gene editing. Now, scientists have made huge strides in ...