Galaxies, planets, black holes: to most people, everything about our Universe sounds and feels enormous. But while it's true ...

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.

The supermassive black hole at the center of the Milky Way appears to be having a party—and it is weird, wild and wonderful.

Scientists have identified water as one of the most effective materials for blocking radiation. Water is dense and contains ...