Has dark matter been detected finally?

Dark matter cannot be seen, but it is thought to make up about 85% of all matter in the universe. It is believed to be the web that gives the cosmos its structure. - AFP

The first direct detection of dark matter, thought to make up most of the matter in the universe, would be a historic breakthrough.

An unusual signal picked up by a European space observatory could be the first direct detection of dark matter particles, astronomers say.