Known as Sgr A* – pronounced “Sagittarius A star” – the supermassive black hole is four million times the mass of the sun and is known to exhibit flares that can be observed in multiple wavelengths, ...
Astronomers have discovered HD 20794 d, a super-Earth orbiting in the habitable zone of a star just 20 light-years away. This ...
The unobstructed skies that gave Big Sky, Montana its name made for an appropriate setting for the release of two postage ...
"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.
The United States Postal Service has issued two new stamps featuring stellar images beamed back to Earth by the James Webb ...
The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...
Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...
Radio Star Astronomers say they've detected a mysterious type of signal known as a fast radio burst coming from a dead galaxy ...
James Webb Space Telescope's findings on mysterious "little red dots" are reshaping our understanding of early galaxy ...
Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to ...
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