Astronomers have measured the ages of over a hundred and fifty thousand ancient stars scattered across our Galaxy, and found the oldest of them is just the age it should be if the standard picture of the universe is correct. That simple agreement quietly unde…
How do you check the universe's age without a birth certificate? One clever answer is to find its oldest surviving residents and see how old they've had time to become. A team led by Indranil Banik a… [+3283 chars]