A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which lived nearly worldwide 15–3.6 million years ago. Paleobiology professor Kenshu Shimada of DePaul University led the study...
A total lunar eclipse will flush the moon red Thursday night into Friday morning across the Western Hemisphere.
The best views will be from North America and South America. Parts of Africa and Europe may catch a...
The amount of oxygen in the Earth's atmosphere makes it a habitable planet.
Twenty-one percent of the atmosphere consists of this life-giving element. But in...
Scientists at Newcastle University have uncovered a source of oxygen that may have influenced the evolution of life before the advent of photosynthesis.
The pioneering...