Early asteroid impacts may have aided life’s origin

RNA ingredients found in laser-induced simulation of explosions

Asteroids and comets that smashed into the planet

KABOOM  Asteroids and comets that smashed into the planet billions of years ago, as in this illustration, could have provided the necessary energy to hot-wire life, new experiments suggest.

NASA

Asteroids and comets that pummeled the solar system billions of years ago may have jump-started life on Earth with an intense zap of energy.