For decades, the Big Bang has been the reigning champion in explaining the universe's origin. It's the moment, roughly 13.8 billion years ago, when all of existence burst forth from an incredibly hot, ...

The Shapley Concentration offers a glimpse into what lies beyond the edge of our current understanding. This ancient structure, born in the early days of the universe, formed from tiny ...

As director of the Carl Sagan Center for Research at the SETI Institute, astrobiologist Nathalie A. Cabrol’s work is focused on answering the question of whether we’re alone in the universe ...