THE question of the origin of the solar system is one that has been a source of speculation for over a hundred years; but, in spite of the attention that has been devoted to it, no really ...

Miller attended a lecture given by Harold Urey on the subject of the origin of the solar system. Urey described the conditions under which Earth and the other planets would have formed and ...

The origin of life on Earth stands as one of the great mysteries ... These elements become solid only under very cold temperatures, such as exist in the outer solar system, not nearer to the sun where ...

The discoveries are helping them better classify different TNOs and understand the complex chemical reactions in space that may relate to the formation of our solar system and the origin of life.

Scientists expect the comet dust to yield clues about how our solar system and planet were formed. Earth has been through so much in its 4.5 billion years—volcanoes have erupted, mountains ...