7+ hour, 10+ min ago   (424+ words) Footprints are among the most common kind of dinosaur fossils. Sometimes scientists find a single, lonely footprint. Sometimes they come across a chaotic jumble of tracks resembling a dance floor, sort of a dinosaur discotheque. But identifying which dinosaur left…...

2+ week, 4+ hour ago   (585+ words) About 14,400 years ago, a weeks-old wolf puppy ate its last meal " meat from a woolly rhinoceros " shortly before dying on the harsh Ice Age landscape of northeastern Siberia. In a first, researchers have extracted DNA and recovered the rhino's genome…...