The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images from the observatory to mark the anniversary. Credit: NASA/CXC/A. Hobart ...

Astronomers have been recording the signal for more than four decades, but this is the first time they've nabbed its origin.

Astronomers have uncovered a baffling cosmic anomaly — a supermassive black hole in galaxy NGC 5084 that appears to be ...

BAE Systems (LON: BA) is celebrating the successful launch of NASA's Spectro-Photometer for the History of the Universe, ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula Caldwell 63, commonly known as the ...

Science & Tech Trending - A galaxy 12.9 billion light-years away has a supermassive black hole at its centre that is shooting ...

XRISM has uncovered how galaxy clusters evolve—violent mergers create turbulence, preventing hot gas from cooling. This ...

“We might have finally found the cause of a mystery that’s lasted over 40 years.” The data came from NASA's Chandra X-ray ...

A not-so-distant white dwarf named WD 2226-210 has been on our radar since the 1980s for releasing X-rays, now we may know why ...