footprints

113-million-year-old dinosaur footprints were discovered in a dried-up part of a river at the Dinosaur Valley State Park in central Texas. As the name suggests, the park already protects other dinosaur footprints. But the tracks that recently emerged are usually...

Scientists have been able to collect and analyze human DNA from footprints left on a beach, air breathed in a busy room and ocean water. Researchers from the University of Florida said the DNA was of such high quality that...