The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

It's the last clearly observed supernova in the Milky Way, Gassel said.

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

Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear ...

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, ...

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

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, ...

Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

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

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

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, mysterious ...