When speculating about life in the universe, scientists need to be more realistic than Hollywood. In Star Trek, no matter where the actors land, they can...

San Francisco State University astronomer Stephen Kane hunts for signs of life in outer space. His team measured light output from a distant star called...

Most people are aware of the many unique characteristics of the Earth that make life on it possible. These characteristics include such things as the composition...

In the late 1960s, a scientist named Ronald Lockley wrote, “How do animals find their way over apparently trackless country, through pathless...

The puzzle persists after all these years. On the one hand, biochemists perform decay rate studies that show biochemicals cannot last a million years...

Honor to the soldier and sailor everywhere, who bravely bears his country’s cause. Honor, also, to the citizen who cares for his brother in the...