Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected three high-redshift galaxies with remarkable similarities to ‘green pea’...
Intracluster light is diffuse light from stars that are gravitationally bound not to individual member galaxies, but to the halo of galaxy clusters. In...
The two newfound galaxies, dubbed GLASS-z12 and GLASS-z10, existed approximately 350 and 450 million years after the Big Bang.
GLASS-z12 (redshift of 12.5)...
The newly-discovered core-collapse supernova, or Type II supernova, seen at a lookback time of approximately 11.5 billion years, is strongly lensed by...
Astronomers say we may be witnessing a merger of two small galaxies just 400 million years after the Big Bang.
The galaxy cluster MACS0647 acts as a cosmic...
The newly-discovered blue supergiant is much hotter than the Sun, and existed when the Universe was about 2.6 billion years old.
Left panel shows the color...
Earendel is a B-type giant star, a luminous blue variable star, or even a binary system with an extremely hot primary member, according to new observations...
Astronomers from the University of Cambridge and elsewhere have analyzed the spectroscopic and photometric data from three instruments (NIRSpec, NIRISS...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have spotted a faint, distant, and cold brown dwarf in the images of the massive galaxy cluster...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have spotted ancient globular clusters around a remarkable galaxy that is strongly gravitationally...
Earendel emitted its light approximately 900 million years after the Big Bang.
This Webb/NIRCam image shows Earendel (center), the most distant star ever...
Astronomers from the Max Planck Institute for Astrophysics and elsewhere have analyzed an image taken by the NASA/ESA/CSA James Webb Space Telescope of...
The striking new photo from the NASA/ESA Hubble Space Telescope features the gravitationally lensed galaxy SGAS J143845+145407.
This Hubble image shows...
The NASA/ESA/CSA James Webb Space Telescope mission today released its first full-color scientific images and spectroscopic data.
An artist’s impression...
Known as Webb’s First Deep Field, the new image shows the massive galaxy cluster SMACS J0723.3-7327.
This Webb image shows the galaxy cluster SMACS J0723.3-7327....
The NASA/ESA Hubble Space Telescope has produced this beautiful image of the massive and rich galaxy cluster Abell 1351.
This Hubble image shows the massive...
Abell 2146 is a pair of colliding galaxy clusters located approximately 2.8 billion light-years away in the constellation of Draco.
In this composite image...
Astronomers using the NASA/ESA Hubble Space Telescope have captured a striking new photo of UGC 10143, a giant elliptical galaxy located in the center...
Designated WHL0137-LS and nicknamed Earendel, the newly-detected star emitted its light around 900 million years after the Big Bang.
Earendel (arrow) is...
Astronomers using NASA’s Chandra X-ray Observatory have found a quartet of pronounced X-ray cavities in RBS 797, a cluster of galaxies located about...
