Alva Review-Courier -

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang, suggesting the early universe may have had a stellar fast-track that produced these "monsters."

While the new James Webb Space Telescope has spotted even older galaxies, dating to within a mere 300 million years of the beginning of the universe, it's the size and maturity of these six apparent mega-galaxies that stun scientists. They reported their findings Wednesday.

Lead researcher Ivo Labbe of Australia's Swinburne University of Technology and h...