When the Hubble Space Telescope first spotted the galaxy GN-z11 in 2016, it was the most distant galaxy scientists had ever identified. It was ancient, formed 13.4 billion years ago — a mere 400 ...
On Friday, to mark the second anniversary of operations of the James Webb Space Telescope, NASA released a breathtaking new cosmic image of two galaxies merging together. The telescope, which launched ...
(This program is no longer available for online streaming.) How did NASA engineers build and launch the most ambitious telescope of all time? Follow the dramatic story of the James Webb Space ...
Photos snapped by the James Webb Space Telescope (JWST) have revealed the farthest-ever example of an "Einstein ring." The record-breaking halo of warped light, which is a whopping 21 billion ...
The most powerful X-ray telescope ever built has reached its landmark 25th anniversary in space — but back on Earth, astronomers worry that its future is very much in doubt. Supporters of the Chandra ...
NASA's Hubble Space Telescope peered into the center of a vast galaxy cluster in a beautiful new image. The European Space Agency (ESA) said the cosmic giant – called eMACS J1823.1+7822 – can be ...
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