Teachers often face difficult questions about evolution, many from parents and others who object to evolution being taught. Science has good answers to these questions, answers that draw on the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. About a billion years after the Earth formed, the first signs of life ...

1 How did life begin? FOUR billion years ago, the Earth’s interior was superheated by nuclear and gravitational energy and its exterior battered by asteroids – not, you would think, a promising ...