By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

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Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the supermassive black hole at the center of the Milky Way.

Sagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...