Thousands of Black Holes Could Be Lurking in Our Backyard—and You Can Help Find Them

According to stellar evolution models, there should be hundreds of millions of black holes floating around in our galaxy. But so far we’ve only found 70. That’s in large part because they are so hard to find, but a citizen science project from the University of Southampton is actively seeking out these hidden monsters with the help of tens of thousands of amateur astronomers through a project on Zooniverse called [Black Hole Hunters](https://www.zooniverse.org/projects/cobalt-lensing/black-hole-hunters).