WASHINGTON-In a humid, tropical jungle in southern China eons ago, a remarkably bird-like dinosaur with wing-like arms, a toothless beak and a dome-shaped crest atop its head became trapped in mud, ...

Half-naked climate activists showered themselves with mud in Rome, Italy, to protest the use of fossil fuels and to remind people of the dangers of flooding. Last week, severe flooding led to the ...

Please enable JavaScript to read this content. The last-ditch struggle of Tongtianlong limosus as it was mired in mud is seen in an undated artist reconstruction ...