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A potential solution to the decades-long “missing matter” problem has been uncovered as astronomers’ recent analysis of X-ray data identifies a filament of hot gas, 10 times the size of the Milky Way, ...

NASA's Chandra X-ray Observatory has detected an enormous X-ray jet from quasar J1610+1811, observed at a distance of about 11.6 billion light-years (roughly 3 billion years after the Big Bang). The ...

Learn about the electromagnetic spectrum, the order of the waves, their uses and dangers with this guide for KS3 physics students aged 11-14 from BBC Bitesize.

While JAXA's Suzaku X-ray telescope came to the end of its scientific mission in 2015, XMM-Newton remains operational more than a quarter of a century since its launch; a testament to its designers ...