The probability of humanity being the sole technological civilization in the observable universe is considered to be less than one in 10 billion trillion. Additionally, the chance of a civilization ...
Whether Mars ever had liquid water has long been a subject of debate among scientists, and a study published recently offers compelling evidence. Researchers evaluating data collected by NASA’s ...
Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.