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

Prague, October 1604. The then 34-year-old astronomer Johannes Kepler was looking at the constellation of Ophiuchus, and he ...

NASA has captured 25 years of observations from the Chandra X-ray Observatory showing the aftermath of Kepler’s Supernova, a ...

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

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

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

The scenes track the furious expansion of Kepler’s Supernova Remnant, the glowing remains of a star first spotted in 1604 by ...

The gravity of a distant galaxy warped space and magnified the light of a faraway supernova, potentially revealing tantalizing details about stellar explosions, as well as an unseen population of ...

A dozen luminous blue outbursts were thought to be unusual supernovae. A new outburst, the brightest yet, suggests it's ...

When a massive star runs out of fuel and approaches the end of its life, it explodes in a huge outpouring of energy called a supernova. These events can be so bright that they outshine entire galaxies ...

Less than half the predicted number of supernova remnants in our galaxy have been found – where are all the others? When you purchase through links on our site, we may earn an affiliate commission.

The era of stationary spacecraft may soon be over. Portal Space Systems, a company headed by propulsion expert Jeff Thornburg, is looking to help usher in a new renaissance in in-space transportation ...