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But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The Andromeda Galaxy, 2.5 million light-years away, is unveiled in Hubble's largest photomosaic. Spanning a decade, this 2.5-billion-pixel image reveals 200 million stars and Andromeda’s dynamic ...

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed across the universe. Now, NASA’s James Webb Space Telescope has examined one ...