"If a message arrived from aliens, who exactly would respond and how?"As a child, isn't this a theme you've thought about at ...

J.J. McCullough examines the Apollo 11 lunar plaques and the silicon disk that carries messages from 73 countries. He ...

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

Scientists searching for extraterrestrial intelligence are testing a new possibility: alien civilizations might transmit ...

If there are indeed other beings in our galaxy, and they are sophisticated enough to traverse the expanse of space, their very first encounter with humanity might not be with a human. Rather, they ...