NASA’s Perseverance rovermade an unexpected discovery on the outer rim of Mars’s Jezero Crater: a rock so unusual in ...

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

And instead of using a wood surface (which I typically use to ... You can add drips and drops of color here and there at the end. Finish off the rock by painting the bottom (optional, if desired).

A pneumatic drill used bursts of nitrogen gas to blow away soil and rock, reaching three feet below the surface. A probe measured temperatures and the flow of heat from the moon’s interior.