CNN's chief climate correspondent issued a dire warning about the future of the planet now that the Trump administration's ...

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.

A new study in the journal Nature Communications reveals that Mars is red for very much the same reason it may have once been home to life — namely, that it was a wet planet. This is in line with ...

We live in the golden era of Mars exploration. Two rovers and three orbiters routinely analyse the current and past states of the planet's environment. These missions build systematically on ...

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all ...