How astronomers plan to detect the signatures of alien life in the atmospheres of distant planets

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

California's “Angel of Death” Was a Notorious Killer. Then an Unlikely Team of Scientists Cracked the Case.

In October 2001 a Los Angeles County grand jury indicted Saldivar on six counts of murder and one count of attempted murder.