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Astronomers using the James Webb Space Telescope have confirmed one of the most distant supernova candidates ever studied, ...

Dark energy cosmological constant constraints hit record precision as the Unite supernova catalog, combining 2,884 Type Ia supernovae from 30 years of surveys through one unified pipeline, yields a 3.

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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 ...

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) ...

The rare blast peeled back the inner layers of a dying star, offering clues to how the elements that make up life on Earth were forged. By Jonathan O’Callaghan Carl Sagan once said we are all made of ...

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 ...

When one supernova commenced, it looked like an olive — at least before it got shaken and stirred. This insight, reported in the Nov. 12 Science Advances, comes from new observations taken in the wake ...