One witness in Havre de Grace, Maryland, recorded video of the eerie glow, showing the fireball resembled a silent explosion ...

Ball Lightning Imagine seeing a glowing sphere floating through the sky during a thunderstorm. That's ball lightning, a ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...