What secrets can we unearth about the future of our planet from this petrified forest in Arizona? Locked within the stones and fossils of Petrified Forest National Park lies a record of life, death, ...

More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according to a ...

Grass is the foundation of life for billions of species, yet few realize its dominance. From savannas to mountain peaks, it ...

"This is maybe the first direct evidence that we've preserved the proto-Earth materials." Scientists have identified what may be the first direct evidence of material left over from the "proto-Earth," ...