UFO researchers have been left puzzled after an oddly-shaped UFO was spotted whizzing above the mysterious Area 51 base in the US. Anders Otteson, who describes himself as a backpacker and ...

As society becomes smarter, advanced optical sensing and imaging technologies utilizing visible and near-infrared regions have become increasingly prevalent. Wire-grid polarizers, which are available ...

The Pentagon on Friday released a major batch of previously classified files on unidentified anomalous phenomena (UAPs), commonly known as UFOs, revealing decades of unexplained sightings reported by ...

Photo of a straight bar wavemaker that sends plane water waves at a triangular object, whose shape causes the waves to refract or bend. Disclaimer: AAAS and EurekAlert! are not responsible for the ...