According to a new study by NASA, Earth is running out of oxygen, and they even know when it will occur. The study was led by ...

We need to be really careful with this thin, fragile layer of air that is our only life support system.

How Earth's atmosphere transformed from oxygen-poor to oxygen-rich over a span of about two billion years has been revealed by an international team of researchers.

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate and could do so again, posing a threat to life.

Meteors typically hit Earth at an altitude of between 50 and 75 miles, also known as Earth's mesosphere. Meteors begin to burn away as they travel through the atmosphere.

After successfully entering Earth’s atmosphere, a European spacecraft is lost "This partial success reflects both ambition and the inherent risks of innovation." ...