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James Webb Space Telescope's view of 800,000 galaxies paints a detailed picture of dark matter
Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...
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James Webb Telescope unveils the universe’s first galaxies
The James Webb Space Telescope is uncovering galaxies that formed just hundreds of millions of years after the Big Bang, some more than 13 billion light-years away. By capturing faint infrared light ...
Interstellar comet 3I/ATLAS has triggered fevered speculation after the James Webb Space Telescope detected an "out of order" burst of methane in its coma, puzzling even seasoned astronomers. While a ...
Astronomers are tracking a visitor called 3I/ATLAS, the third confirmed interstellar object ever observed. The two previous instances were 1I/’Oumuamua in 2017 and 2I/Borisov in 2019. 3I/ATLAS is ...
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