A Colorado science teacher’s chance discovery in the Hell Creek Formation revealed the first known T. rex trackway, preserving five enormous footprints and new evidence about how the predator moved 66.5 million years ago.
Lead in ancient ink may help researchers select and decipher fragile Herculaneum scrolls, while recreated papyri could provide valuable training material for artificial intelligence tasked with recovering writings buried inside carbonized artifacts.
A rare space rock impact created the largest newly formed crater observed during modern monitoring, while orbital data revealed that the collision disturbed terrain across a much wider area that becomes significantly colder at night.
Listeners favored softer, more complex bird vocalizations with narrower frequency ranges, according to a study covering 123 species. The common blackbird earned the highest rating, while researchers found that birding knowledge did not appear to shape preferences.