He surmised that if the bird had a mutation, it would have changed the owl’s black patterns, or eumelanin, to orange, or pheomelanin. That is not how the bird was currently colored. Image While ...

Black holes are some of the most fascinating and mind-bending objects in the cosmos. The very thing that characterizes a black hole also makes it hard to study: its intense gravity. All the mass in a ...

The similarities in the two assaults, almost six decades apart, were uncanny. Both youths were Black, both were visiting the communities where they were slain, and in both cases their killers were ...