NASA’s Moon Mission in Jeopardy? Issues With Lunar Flashlight’s Spacecraft Propulsion System

We finally know why mysterious waves appear to survive the journey through Earth's turbulent 'shock' region

Human-Ignited Fires Caused 20,000 Premature U.S. Deaths – “Respiratory Infections, Lung Cancer, Heart Disease…”

Many of the World’s Greatest Observatories Suffer from Some Light Pollution