A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

One witness in Havre de Grace, Maryland, recorded video of the eerie glow, showing the fireball resembled a silent explosion that lit the early morning as most people slept. Nine witnesses from ...

Idioms are difficult to understand because their meaning is not what it appears to be at first sight. Some are easier to guess when they have some association with the original meaning of the ...