The vast majority of matter is dark – invisible until it is detected only through its gravitational effects.

The newly discovered object could be a clump of dark matter, or it could also be a compact, inactive dwarf galaxy much smaller than our Milky Way.

It was detected in a process called gravitational lensing, which involves the way its gravity distorts light passing through or near it.

A mysterious object found could soon have astronomers rethinking what they know about dark matter.

That's according to a team of researchers who turned to a global network of telescopes to spot what they believe could be a clump of dark matter. Though it's a million times the mass of our sun, the object could only be found by , according to a announcing the discovery.

What's more, its impressive siz

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