The small bit of weapons-grade material, about the weight of a paperclip, was discovered missing after more than a decade. | Continue reading
On April 25, California law enforcement announced the possible capture of a long-sought serial killer. Shortly after, it was reported that police had used public DNA databases to determine his identity. | Continue reading
Hawking's final paper sorts out some of the thorniest problems of the Big Bang and the multiverse. | Continue reading