High-precision spectrograph confirms massive exoplanet orbiting a low-mass star
With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...
Straight shot: Hubble investigates galaxy with nine rings
NASA's Hubble Space Telescope has captured a cosmic bullseye. The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an "arrow"—a far smaller blue dwarf galaxy—shot through ...