But first thing's first, weird spheres on Mars aren't a brand new phenomenon. In fact, NASA first stumbled across them 21 ...

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

A ring or sphere could, apparently, be stable if surrounded by the right sizes and gravities of other stars.

A new study by Dr. Margherita Mussi, published in Quaternary International, highlights how naturally occurring basalt spheres ...

Scientists have found unusual, blueberry-like rocks on Mars that could give us more insights into its geological history.

We often think of atoms as tiny spheres, but in fact they ... Molten (liquid) rock underground is called magma. Volcanoes can bring molten rock to the surface, which we call lava.