Hardcore UFO enthusiasts share troubling elements with other conspiracy communities.
The technology that surveys our skies isn't designed to spot and identify everything that flies.
"We will go wherever the data takes us."
A handful of researchers have spent years gathering data on UFOs, and their findings tell us a lot about human habits.
But they don't come from outer space.
Even after nine seasons, we never got tired of believing
We could not be more excited to finally learn if the truth is still out there
Christmas, for space fans, is often synonymous with Apollo 8, the first manned mission NASA launched to the Moon in … Continued
Also: one of the first times humans encountered the microscopic world.
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.