Astronomers have witnessed a monster supermassive black hole erupting with a light-year-long jet traveling at one-third the speed of light.

The James Webb Space Telescope caught the birth of an enormous star with particle beams cutting across a stretch of ...

Physicists have shown that particles produced in collimated sprays called jets retain information about their origins in subatomic particle smashups. Physicists at the U.S. Department of Energy's (DOE ...