A condensed collapsed star has chewed up and eaten almost the total mass of its stellar companion. In so doing, it has become the heaviest neutron star observed to date.
Objects from more than 13 billion years ago, among them Maisies Galaxy, are included in two new images from NASA’s James Webb Space Telescope.
The James Webb Space Telescope has captured the Cartwheel galaxy in unparalleled detail in a breathtaking composite from Webb’s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI).
The 2nd of 4 important scientific instruments on NASA's James Webb Space Telescope is now ready for science, after the Mid-Infrared instrument finished postlaunch preparations
The Hubble Space Telescope has documented a set of enigmatic quasar ghosts. These ethereal green images mark the graves of these objects that flickered to life and then faded.