These observations have uncovered a wonderful galactic fossil-relic of the black hole’s outburst. The cold gas illuminated by the iron line is supposed to be remnants of the particle jet, still being ...

Hundreds of perforated Cambrian shells reveal distinctive predator-prey dynamics in the ocean 517 million years ago.

Thanks to a certain viral video, honey badgers are infamous for their thick skin, sharp claws, and willingness to go after ...