Looking at a distant galaxy means looking back in time.

The first results from JAXA's XRISM X-ray telescope are out, and they reveal new features of the superheated gas around a ...

XRISM allowed astronomers to track plasma as it circled the supermassive black hole at a distance of around 0.1 light-years away. This material gradually moved inwards to a distance of around 0.001 ...

NASA's Hubble Space Telescope has captured a breathtaking image of the spiral galaxy NGC 3430, situated 100 million light-years from Earth in the Leo Minor constellation. Scientists, using data from ...