Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over ...

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

NASA has released its longest-ever time-lapse from the Chandra X-ray Observatory, capturing the expanding remains of Keplers ...

NASA’s Chandra Observatory reveals a 25-year time-lapse of Kepler’s Supernova Remnant. Glowing debris expands at different ...

Situated around 17,000 light-years from Earth within the Milky Way Galaxy, the supernova remnant is close enough for NASA’s ...

In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely ...

(CNN) — Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A study ...

Astronomers say they've captured the clearest look yet of a star on the brink of supernova. An international team used NASA’s James Webb Space Telescope to backtrack and find the original star that ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...