"This is a structure we've never seen before, so it could be a new class of dark object." ...
Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...
The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how big they might have gotten, but direct evidence has been lacking. Now, JWST ...
Hints of impossibly bright, massive objects in the infant universe have forced astronomers to rethink how the first cosmic ...
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 ...
Astronomers used the James Webb Space Telescope and gravitational lensing to observe SN Eos, an ordinary supernova from the ...