One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...
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Supergiant star Betelgeuse is full of mysteries. New observations might solve the biggest one
Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.
"Until now, it was unknown what type of star would remain after the merger." ...
The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...
This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here is the galaxy cluster MACS J1149.5+2223, or MACS J1149 for short, which is ...
"The knowledge of these will ultimately help us understand the formation of the first stars and planets and how our own Milky ...
Using Event Horizon Telescope observations of M87's black hole from 2017, 2018 and 2021, "astronomers have found some changes ...
Astronomers have confirmed the earliest barred spiral galaxy in the universe, a Milky-Way-like structure that existed just 2 ...
Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...
Here are some of the most beautiful pictures of the nebula, which were taken with the help of NASA's James Webb telescope.
On Christmas Day 2021, alongside other astronomers, I watched the James Webb Space Telescope (JWST) launch from French Guiana and begin its month-long journey to its destination, 1.5 million ...
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