March 14 isn't just Pi Day. It also has a surprising history of famous births, the death of physicist Stephen Hawking and a milestone for a daring dirigible.
Pricey timepieces celebrate the late physicist and best-selling author of A Brief History of Time.
"I am very aware of the preciousness of time. Seize the moment. Act now."
"I wanted to fit a big black hole on the tiny coin and wish he was still here chortling at the thought," the designer said.
The Falcon Heavy rocket launch headlined a year filled with marvelous milestones when it comes to navigating and understanding space.
Remembering the many big names in pop culture, science, tech and politics who left us this year.
Alexander Graham Bell and chemist Rosalind Franklin are also among the scientists nominated to appear on Britain's 50 pound note.
The famed astrophysicist's awards, papers and iconic wheelchair go under the hammer.
The late physicist was "renowned for being a rather wild driver," auction house Christie's notes.
The late physicist's last book tackles Brief Answers to the Big Questions.
Pierce Brosnan will host the ceremony.
The physicist's final resting place is between Darwin and Newton.