About 3.4 billion years ago Mars was struck by a giant, wet disaster when two massive tsunamis up to 360 feet tall roared across the planet at the speed of a passenger jet.
Scientists have been able to bypass the nervous system entirely to help paralyzed patients regain control over their limbs.
New research suggests important interaction between demographics and climate change.
Risky levels of domoic acid, a naturally occurring poison, has been detected in waters between the Oregon border and the southern Santa Barbara County...
Modern humans evolved from not one, but as many as four ancestral species
U.S. birth rate rises for first time since 2007.