In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...

Scientists observing the red giant star R Doradus have found that starlight isn’t strong enough to drive its stellar winds, ...

Newly published interdisciplinary research led by the University of Tennessee, Knoxville, and University of Maryland shows ...