That first light is the cosmic microwave background (CMB). As you can imagine, some 13.4 billion or so years later, the CMB is very, very faint and low in energy, so it takes a lot of observation ...

According to the study, the newfound ultra-faint dwarf KK153 was found at a distance of about 6.5 million light years and has an optical effective radius of 682 light years. The observations show ...

and the James Webb Space Telescope (JWST), scientists captured this faint but historic signal. The discovery sheds light on the universe’s infancy, unveiling new details about galaxy formation ...