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

Using the James Webb Space Telescope (JWST), scientists discovered that the Milky Way 's central supermassive black hole, Sagittarius A* (Sgr A*), is constantly streaming out flares without respite.

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

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