With pollen and common ditch grass seed found both in the footprints and within the same layer of hardened mud in which the ...

Humans have remodeled the Earth so profoundly that in 2000, atmospheric chemist Paul Crutzen and biologist Eugene Stoermer ...

Chemical analysis suggests the 400-million-year-old fossil Prototaxites was neither plant, animal or fungus – hinting at a ...

Harley Quinn showrunner Dean Lorey discusses Season 5's biggest moments, shocking deaths, plans for Season 6, and more.