Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

Literature has often been a mirror of society, but some authors have gone beyond mere reflection to predict events, ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the ...