SETI: January 2016

Why did the emergence of our species require a timescale similar to the entire habitable period of our planet?

Life on other planets would likely be brief and become extinct very quickly, say astrobiologists from The Australian National University (ANU).

"A globular cluster might be the first place in which intelligent life is identified in our galaxy," says lead author Rosanne Di Stefano of the Harvard-Smithsonian Center for Astrophysics (CfA).