There's an incredibly ancient black hole out there that's challenging astronomers to explain how it could exist only 400 million years after the Big Bang. It's at the heart of a galaxy called GN-z11. Astronomers using JWST ...
Astronomy
Jan 23, 2024
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In standard cosmological models, the formation of cosmological structures begins with the emergence of small structures, which subsequently undergo hierarchical merging, leading to the formation of larger systems. As the ...
Astronomy
Jan 23, 2024
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The U.S. Postal Service has issued two new Priority Mail stamps celebrating NASA's James Webb Space Telescope, the largest, most powerful, and most complex telescope ever put in space. The stamps, issued Jan. 22, feature ...
Astronomy
Jan 22, 2024
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The expansion of the universe at some stage of evolution is well described by the Friedmann model. It was derived from general relativity a hundred years ago, but it is still considered one of the most important and relevant ...
General Physics
Jan 22, 2024
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An experiment conducted in Italy, with theory support from Newcastle University, has produced the first experimental evidence of vacuum decay.
Condensed Matter
Jan 22, 2024
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One of the key missions of the NASA/ESA/CSA James Webb Space Telescope is to probe the early universe. Now, the unmatched resolution and sensitivity of Webb's NIRCam instrument have revealed, for the first time, what lies ...
Astronomy
Jan 18, 2024
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Columbia researchers analyzing images from NASA's James Webb Space Telescope have found that galaxies in the early universe are often flat and elongated, like breadsticks—and are rarely round, like balls of pizza dough.
Astronomy
Jan 17, 2024
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125
Researchers have discovered the oldest black hole ever observed, dating from the dawn of the universe, and found that it is 'eating' its host galaxy to death.
Astronomy
Jan 17, 2024
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Astronomers routinely explore the universe using different wavelengths of the electromagnetic spectrum from the familiar visible light to radio waves and infrared to gamma rays. There is a problem with studying the universe ...
Astronomy
Jan 15, 2024
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108
The discovery of a second ultra-large structure in the remote universe has further challenged some of the basic assumptions about cosmology.
Astronomy
Jan 15, 2024
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