Black Holes

“We know that about 25% of the matter in the universe is dark matter, but we don’t know what it is,” Michael Kesden tells PhysOrg.com. “There are a number of different theories about what dark matter could be, but we think one alternative might be very small primordial black holes.”

Click to expand...

When many of us think about black holes, we think of a huge cosmic event, sucking in everything around it. However, there...

Click to expand...