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Peering deeply into the cosmos, NASA's James Webb Space Telescope is giving scientists their first detailed glimpse of supernovae from a time when our universe was just a small fraction of its current ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) captured a curious sight in a region 3.6 billion light-years away from Earth: A supernova that appears three times, at three different ...

For only the second time, astronomers are confident they have witnessed the outburst of radiation at the start of a supernova. What came afterwards, however, was totally unexpected, and it may have ...

A mysterious remnant from a rare type of supernova recorded in 1181 has been explained for the first time. Two white dwarf stars collided, creating a temporary 'guest star,' now labeled supernova (SN) ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers are ...