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

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

Astronomers have released a rare time-lapse video showing the violent expansion of a dead star over two decades. The footage ...

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

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

This video explores the reasons why stars are often not visible in images from rocket launches, moon landings, and the ...

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams colliding almost immediately, while another shockingly delayed its eruption ...

NASA has released a decades-long video showing Kepler’s supernova remnant evolving in X-rays, using Chandra Observatory data ...

A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

Astronauts orbiting the Earth are drilled to deal with the worst possible scenarios. That includes having to leave a doomed ...

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've developed. That's 90% of all space stuff in the observable universe that ...

"Supernova explosions and the elements they hurl into space are the lifeblood of new stars and planets," said Brian Williams ...