The last-ditch struggle of Tongtianlong limosus as it was mired in mud is seen in an undated artist reconstruction. Zhao Chuang/Handout via REUTERS In a humid, tropical jungle in southern China eons ...

Jurassic lizard footprints found in Spain provide rare trackways and insight into reptile motion 152 million years ago.

Scientists have uncovered a 377-million-year-old tree fossil in southwest England that shows early trees once grew on ...