A scientist explains why it's so hard for scientists to investigate UFOs

Beyond all the diehard UFO believers, conspiracy kooks, and capital 'S' skeptics, there is an invisible college of scientists who do see the value in looking at the UFO phenomenon through a scientific lens. No matter whether the UFOs are classified government aircraft, extraterrestrials from other worlds, inter-dimensional explorers, swamp gas, or figments of our collective imagination, objectively analyzing the data we do have about the phenomenon is incredibly challenging. — Read the rest