"A supercomputer simulation shows many galaxies merging over time. The parts of galaxies we can see are glowing stars forming from gas in their central parts. Visualizations like these inform ...

The European Space Agency's SOHO spacecraft was the first to detect it. Its SWAN instrument, which observes solar activity, detected the object.

"SPT2349-56 is a system so extraordinary that we may have caught one of the most massive clusters under formation at a very ...

With its origins tracing back to the 1970s, the Hubble Space Telescope was launched aboard the space shuttle Discovery on ...

Volodymyr Zelenskyy has said Ukraine's military has captured two Chinese citizens who were fighting for Russia in the eastern Donetsk region. Follow the latest here - and submit a question for our ...