The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar monster 20 times the mass of the sun.
Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...
The 245th Meeting of the American Astronomical Society, running Jan. 12 to Jan. 16, will feature many of the remarkable findings from the James Webb Space Telescope (JWST), which began observing ...