The strange phenomena observed in Norway aren't new. Since 1980, Hessdalen, a remote valley in the country, has been a ...

A 2018 astronaut photo shows a festive, fir-tree-shaped artificial reservoir in Iraq decorated with both natural and imagined ...

The unexplained meteorological phenomenon rolled across the sky before disappearing as if nothing had happened. A bizarre sight in the skies over Austin, Texas, in late November: a strange tear seemed ...

Instead, the spots are artifacts in the photo caused by a phenomenon called lens flare in the astronaut's camera, in which light gets scattered by slight imperfections in the camera's lens ...