Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

Ceres, the largest object in the asteroid belt, is a dwarf planet with frozen oceans and hints of ancient habitability, setting it apart from its rocky neighbors. With a solid core, icy mantle ...

From unplugging to rethinking your eco-habits, let's show Mother Earth some love with small steps that lead to big change. Who knew saving the planet could be this easy and cool? How You Can Help ...