While it is already dimming after a close encounter with the sun, Comet C/2024 G3 (ATLAS) – also called the Great Comet of ...

Very Large Telescope observations of the galaxy revealed that there was likely a “sudden awakening of the massive black hole at its core,” according to the European Southern Observatory (ESO). Credit; ...

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our galaxy's "black hole heart." Credit: ESO ...

A stellar nursery hidden in Scorpius, the Dark Tower is a glowing, wind-sculpted cloud of gas shaped by young stars’ ...

Matter in intergalactic space is not randomly scattered - it forms a vast network of filamentary structures that make up the ...