Mysterious radio signals were found in space. Was it aliens? Or something else?
Carl Sagan uses the Lithic Principle to show the fallacy of thinking humans are the end all be all.
Falling sky debris doesn't pose any real threat. But in the nuclear age, asteroids could trigger war sirens.
Have you ever stopped to wonder why sex and violence so often go hand in hand?
Ever wonder what it's like on other planets? On this Moment of Science, find out what it's like on Mercury.
Is it true that if the laws of nature were changed even a little bit, there would be no people in the universe? Find out on this Moment of Science.
In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minor–as in a shooting star on a summer night–or amazingly destructive, as in the collision that probably killed off the dinosaurs. Thankfully, the […]