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.

NEW YORK -- An Internet investor has enlisted famed physicist Stephen Hawking and Facebook founder Mark Zuckerberg to help him with a futuristic plan for seeking life in outer space. Yuri Milner ...

Renowned physicist Stephen Hawking and Russian-born billionaire Yuri Milner on Monday announced an ambitious bid to combine vast computing capacity with the world's most powerful telescopes to ...

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.

Take a look back at politicians and other notable figures we lost in 2018. Inspiring quotes: Stephen Hawking in his own words Stephen Hawking's death: NASA and more react Searching for ET: Hawking to ...

Lauded astrophysicist Stephen Hawking was outspoken about the existential threats facing humanity. Known for his work on the mysteries of general relatively and black holes, Hawking used his platform ...

What is the most important step that humanity must take to avoid extinction? According to the late physicist Stephen Hawking, the answer lies far beyo.