Star is a small, dim red dwarf star located in the constellation Ophiuchus. It’s distance was first measured by the ...

The Red Planet, as it’s often called, has a distinct hue, and a new theory about this coloration could have implications for our understanding of Mars' evolution.

Scientists might have been wrong about perhaps the most obvious thing about Mars: the red colour behind its nickname Earthlings have known about the existence of Mars, the fourth planet from the ...

The solar system's biggest gas giant planet orbits an average of 484 million miles from the sun. The fourth planet from the sun, Mars, looks like a star but has a slightly ruddy hue. Mercury will ...