Listening to the "ringing" produced by black holes after they collide and merge could allow scientists to test Einstein's theory of general relativity under the most extreme conditions in the universe while unlocking the ...
Astronomy
Jul 16, 2026
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105
For more than a century, astronomers have puzzled over a strange discrepancy in the historical record. Theta Eridani, a modest star in the constellation Eridanus, is the third-brightest star in its constellation, with a magnitude ...
The moon has been bathed in solar wind for billions of years, but the two hemispheres are struck by solar wind of different speeds and energies.
Planetary Sciences
Jul 19, 2026
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90
Astronomers are closer to solving the mystery of how supermassive black holes feed themselves thanks to new images from the James Webb Space Telescope, or JWST. The images provide the clearest view ever seen of gaseous filaments ...
Astronomy
Jul 14, 2026
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69
Reflect Orbital moves ahead with the company's first Eärendil launch amid concerns from the astronomical community.
Astronomy
Jul 17, 2026
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64
SpaceX's mega Starship rocket came within a second or so from blasting off on a test flight Thursday, but some of the engines failed to ignite, triggering a launch abort amid billowing clouds of smoke and vapor.
Space Exploration
Jul 17, 2026
0
62
Typically, astronomers identify comets by their distinct atmospheres, or comae, and their tails, which are created as the sun vaporizes a comet's ice. These features emit a glow when sunlight bounces off dust and water droplets. ...
Are we alone in the universe? For scientists working on NASA's proposed Habitable Worlds Observatory, that question is no longer purely philosophical. It is increasingly becoming an engineering problem.
Astrobiology
Jul 20, 2026
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58
America's most daring, extraordinary feat—landing astronauts on the moon—remains the pinnacle of achievement by anyone anywhere. Ever.
Space Exploration
Jul 18, 2026
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56
An international team of astronomers has performed follow-up observations of a peculiar Type Ia supernova designated SN 2023vjh. Results of the observational campaign, published July 9 on the preprint server arXiv, deliver ...
