A faint flash from the cosmic dawn has revealed itself as the oldest supernova ever confirmed, its light having traveled 13 billion years to reach Earth. The James Webb Space Telescope captured the ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

The shredded remnants of the first supernova ever recorded by humans — which appeared in the sky more than 1,800 years ago and vanished within eight months — rise from the cosmic grave in a stunning ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

The closest cosmic explosion to Earth in the last 10 years became a record breaker for the Search for Extraterrestrial Intelligence Institute (SETI). The supernova, designated (SN) 2023ixf, was first ...

A new telescope image has shed light on the ghostly remains of the first recorded supernova. More than 1,800 years ago, in the year 185, Chinese astronomers recorded what they called a “guest star” ...

In A.D. 185, ancient Chinese astronomers observed a bright new object burst onto the scene in the night sky. The beacon remained visible to the naked-eye for more than eight months, leading the ...

In early December 185 CE, Chinese astronomers recorded a bright “guest star” in the night sky that shone for eight months in the direction of Alpha Centauri before fading away—most likely the earliest ...

This illustration charts the evolution of the SNR 1181 remnant, from its creation when a carbon-oxygen-based white dwarf and oxygen-neon white dwarf merged, to the formation of its two shock regions.