Towering fossilized tree trunks entombed upright in layers of rock across the US are stirring up a flood of debate — with ...

Throughout human history, our ancestors left behind countless puzzles that continue to baffle scientists, archaeologists, and historians today. From impossibly precise stonework that predates known ...

The European Space Agency has released striking new images of Mars, revealing stunning geological formations shaped by catastrophic floods billions of years ago. Captured by the long-running Mars ...