NASA has released an unprecedented time-lapse video showing the evolution of Kepler’s Supernova Remnant, a cosmic relic of a ...

The shockwave has traveled half a light-year.

The stunning time-lapse was created using data from NASA’s Chandra X-ray Observatory.

In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes ...

CC0 Usage Conditions ApplyClick for more information. Astronomers have used NASA’s Chandra X-ray Observatory to record material blasting away from the site of an exploded star at speeds faster than 20 ...

A new video provides a front-row seat to a cosmic drama that has been playing out for centuries. Since 1604, when astronomers around the world recorded a new 'star' that appeared in the sky, humans ...

A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over more than two and a half decades. Kepler's Supernova Remnant, named after ...

The scene witnessed by Johannes Kepler after sunset on Oct. 17, 1604. While he wasn't the first to see the supernova, Kepler studied it like no one else. To recognize his detailed observations, we now ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...