SPHEREx tracked the interstellar comet as it grew considerably brighter after perihelion.
The image shared by NASA shows a dense, opaque cloud which is concealing the star.
Launched on Dec. 20, it would travel for the next 23 days on a NASA balloon along the very highest reaches of the atmosphere, ...
Hubble's latest image unveils the Egg Nebula in unprecedented detail. This pre-planetary nebula, formed by a dying Sun-like star, shows dramatic light beams piercing dust to illuminate gas shells and ...