On this day, March 14, the scientific world not only commemorates one of the most significant physicists of the 20th and early 21st centuries, but also an extraordinary personality: Stephen Hawking.
Stephen Hawking's black hole fame wasn't his only focus — he also laid out multiple existential threats. Here are five doomsday risks he talked about.
For more than 50 years, death was a poignant part of Stephen Hawking’s remarkable life. The physicist, who died Wednesday at age 76, wasn’t expected to see his 25th birthday, after being diagnosed ...