The stunning echo of 800-year-old explosion

In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary "star" in the constellation Cassiopeia shining ...

Next major X-ray mission set to launch

The X-Ray Imaging and Spectroscopy Mission (XRISM) is ready to launch on 7 September 2023 to observe the most energetic objects and events in the cosmos. In doing so, it will unveil the evolution of the universe and the structure ...

JAXA, NASA XRISM Mission ready for liftoff

A powerful satellite called XRISM (X-ray Imaging and Spectroscopy Mission) is set to provide astronomers with a revolutionary look at the X-ray sky.

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