Scientists have released the first X-ray images of a mysterious, sphere-shaped object recovered in Colombia, which locals claim is of alien origin. The so-called 'UFO' was spotted in March over the ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Collected or purchased from local ...

A: The short answer is gravity. This ‘force’, by virtue of the large masses of planets and stars, forces them into a spherical shape. Part of the answer is also geometry: a sphere is the most compact ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Collection history unknown; formerly ...