Centuries of excavations have unearthed a few theories about what really brought down one of the oldest cities in the ancient ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Dinosaurs may be long extinct, but 2025 made it abundantly clear that they’re anything but settled science. Over the past year, new fossils, reanalyses of famous specimens and the use of increasingly ...