It Seems More and More Certain That We Live in a Multiverse

Last week, physicists announced that they'd discovered evidence of gravitational waves in the early universe, which makes it more likely that our universe began with a bang and inflated from there. But that also means a whole host of other things, including possible multiverses. » 3/25/14 3:59pm 3/25/14 3:59pm

This is the oldest star that astronomers have ever discovered

An international team of astronomers has identified the earliest known star in the Universe. Considered a "second generation star," it formed shortly after the Big Bang — some 13.7 billion years ago. » 2/10/14 12:00pm 2/10/14 12:00pm