Undersea detectors anchored deep in the Mediterranean Sea found an ultra-high-energy neutrino, a particle that opens a new window onto the cosmos.
With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.
Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.
The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
HH 30 is a luminous region surrounding a newborn star, or protostar. The James Webb Space Telescope helped reveals ...