New study says universe expanding faster and is younger

WASHINGTON (AP) — A new study by a Nobel-winning astronomer says the universe is expanding faster than it used to, meaning it’s about a billion years younger than we thought.
And that’s sending a shudder through the world of physics, making astronomers re-think some of their most basic concepts.
At issue is a number called the Hubble constant, a calculation for how fast the universe is expanding.
Using NASA’s Hubble Space Telescope, Johns Hopkins University astronomer Ada