Blurry vision in one eye is actually more common than you may think. But […] Hormonal fluctuations are also a leading cause ...

These mesmerizing, rare flashes of red light appeared during intense summer storms and were spotted by a few lucky ...

You can see a lot from 1 million miles away. The blues, greens and browns of Earth's oceans and land masses stand out against the blackness of space as clouds move above the planet's surface.