This 1985 video of Carl Sagan warning Congress about climate is just as sobering now
We had so much time to act.
Tag: Carl Sagan
Why Stephen Hawking Was Afraid of Aliens
"Meeting an advanced civilization could be like Native Americans encountering Columbus," he said.
The Search for Alien Life: We Have Been Looking in the Wrong Places
If there are any, aliens should be less conspicuous and charismatic-looking than most people think.
Carl Sagans’ solar sail will be put to the test next week: our shot at interplanetary travel
In 1976, Carl Sagan went on the Tonight Show with Johnny Carson along with a strange contraption, that looked like ...
The ‘Last Pictures’ project: a time capsule set to orbit Earth, built to outlive the human race by billions of years
Glimpses of America, American National Exhibition, Moscow World's Fair, 1959. Do you remember Carl Sagan's Voyager Golden Records? When the ...
