The James Webb Space Telescope has spotted a 'rogue' cosmic object barrelling through our galaxy without a star, and covered in clouds of iron and magnesium minerals.

There's a class of objects in the cosmos that are neither stars, nor are they quite planets. Astronomers used the powerful James Webb Space Telescope to sleuth out some of these objects, called brown dwarfs,

The James Webb Space Telescope is investigating the Flame Nebula, hunting for "failed stars" to better understand how brown dwarfs form and evolve.