constellation Canes Venatici — as a reference point. The universe is expanding faster than astronomers can explain, according to new data from the James Webb Space Telescope. Building on earlier ...

NASA's Goddard Space Flight Center Astronomers have long understood that the universe is expanding ... called the Hubble constant, is faster than what standard cosmology models estimate it ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of kilometers per second per megaparsec (km/s/Mpc), where a megaparsec (Mpc) ...