On June 24, 1947, pilot Kenneth Arnold reported seeing multiple mysterious, gleaming circular objects along the crest of the Cascade Mountains in Washington. It was one of the most famous UFO ...

Lenticular lenses are a type of lens used to make eyeglasses. They’re rarely used, but they can be of great benefit when you need them. Eyeglass manufacturers produce these lenses to correct severe ...

Time conventionally is visualized as a line moving forward, but viscerally we experience it as something messier and more richly complicated -- as a matter of coexisting planes, for instance, past and ...

On 25 July 2018, an image purportedly showing a large lenticular cloud over the Giza Pyramids was posted on the "Pics" section of Reddit: This is not a genuine photograph of the Giza Pyramids below a ...

They're not an X-file, but lenticular clouds inspire awe wherever they form. Their tendency to look like swirling loops that hover in place spawned UFO reports for decades, but the truth behind their ...

The sky above Lake Tahoe put on a spectacular show Thursday night with a long lenticular cloud turning different shades of pinks and oranges. The rushing stream of condensed moisture appeared twisted ...

Lenticular clouds are stationary lens-shaped clouds that form at high altitudes, and are normally aligned perpendicular to the wind direction. There are three different types of Lenticular clouds ...

NASA’s Hubble Space Telescope captured this image of the lenticular galaxy NGC 3489. Lenticular galaxies aren’t quite spiral galaxies or elliptical galaxies. They lie somewhere in between, exhibiting ...