"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 ...

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

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 ...