Astronomers have discovered 'Bullseye,' a record-breaking galaxy with nine rings—six more than any other known galaxy.
With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...
NASA's Hubble Space Telescope has captured a cosmic bullseye. The gargantuan galaxy LEDA 1313424 is rippling with nine ...