If the world exploded, what proportion of the rocks floating in space would have evidence of life? (continued) ...

Earth has never stood still. Over its 4.5 billion years of history, our planet has been reshaped by different cataclysms and climate shifts. The atmosphere went through several changes, oceans froze ...

Much depends upon the variables. What kind of explosion? What is meant by “evidence of life”? What or who is attempting to interpret any surviving evidence? Life has colonised all the niches on the ...

There’s an intense space race back to the Moon underway — between the People’s Republic of China and the United States. Undergirding the PRC’s ambitions is a rocket known as the Long March 2, a ...