In the heart of Costa Rica, a series of mysterious,perfectly spherical stones have puzzled archaeologists and historians for nearly a century. These massive rock spheres, some weighing as much as 16 ...

Who said there’s an egg crisis? NASA’s Perseverance Rover has stumbled across an extremely strange rock that’s “astonished” scientists while exploring the rim of the Jezero crater on Mars. Nicknamed ...

CEDAR FALLS, Iowa (AP) -- Ralph Waldo Emerson wrote ``all sorts of things and weather must be taken together, to make up a year and a sphere.'' It sounds sort of romantic, but practical and scientific ...

A new study by Dr. Margherita Mussi, published in Quaternary International, highlights how naturally occurring basalt spheres may have been used by hominin species as a type of tool for more than 1 ...