1. Deep Space

    NASA Finds Black Hole Cluster

    This illustration released by NASA, shows a supermassive black hole in the nearby spiral galaxy NGC 1365. A study published Thursday in the journal Nature calculated the spin rate of the black hole and found itís rotating close to the speed of light. (AP Photo/NASA)

    NASA,via AP

    No matter how old you are, space never stops being cool. That applies doubly to black holes, which is why NASA's latest discovery should be considered totally awesome: using the Chandra X-ray observatory, the agency found an "unprecedented" cluster of black holes in the Andromeda galaxy. How unprecedented? There could be 26 of them in this cluster alone. And these were just the ones that were immediately identifiable, as scientists say there are likely many more that are currently invisible. Said the lead author of the study, "We think it's just the tip of the iceberg." Cool.

    Read it at Ars Technica