Astronomy

Get ready for the ‘blood moon’

By Ben Brumfield (CNN) — Prophecy loves signs from the heavens, and they will deliver Tuesday with a moonlight spectacle. What will happen could sound sort of like this: The moon will turn to blood as it aligns with Earth and sun Then do so thrice more ere a year and […]

Did Life’s First Cells Evolve in Geothermal Pools?

Source: Scientific American Earth started as a violent place, its surface churned by continuous volcanic eruptions and cloaked in an atmosphere that would have been poisonous to today’s life-forms. Furthermore, the thin primeval atmosphere may have provided only scant protection from the young sun’s harsh ultraviolet glare. Given these inhospitable conditions, […]