Trump's 'Chinese Virus' rhetoric part of a long U.S. tradition of scapegoating
04:52
Guided by the light – The future of the internet is Li-Fi
03:07
A real-life mutant: Meet the woman who feels no pain
04:18
Cracking the code to treat blindness
08:04
Alchemy and Science: Fantastic Beasts’ real-life connection to a 14th century Parisian scribe
05:10
Could this cosmic interloper be an alien spacecraft? Neil deGrasse Tyson isn’t so sure
03:51
'A bumpy ride ahead': Astronomer Martin Rees on humanity's chance of surviving the 21st century
03:48
Now Playing
The search for alien life in Nevada
05:10
UP NEXT
'First Man's' portrait of Neil Armstrong gets at the man behind the myth
05:14
Can a virtual reality game help astronauts cope with the journey to Mars?
04:25
NBC News
The search for alien life in Nevada
05:10
Copied
Brian Hedlund and Ariel Friel collect microbes living for tens of thousands of years in the subsurface of the earth. By studying these microorganisms, they hope to gain clues about potential life on Mars and other planets.Nov. 7, 2018
