Comets can contain all six of the most important elements for life on Earth, according to new research. For the first time, scientists say they've discovered evidence of solid phosphorus on a ...

Phosphorus is one of six key elements of life as humans know it needs to exist, says Morgan Cable, an astrobiologist at NASA’s Jet Propulsion Laboratory who was not involved in the study.

Unless you're a real science geek, chances are you never knew these eight elements even existed. Nonetheless, many of them form the foundations of modern life. Here's a sample of the elements you ...