NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs ...

NASA’s Perseverance rover has found a never-before-seen dark rock named Skull Hill in Jezero Crater, offering new clues about ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

Skull Hill is a type of "float" rock — one that likely originated elsewhere and was transported to its current location.

Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what ...

The Kiamichi Mountains feel more Appalachian than Midwestern—steep ridges, rushing creeks, and hourly cicada buzz. Five‑acre ...