Save the Earth… and space

The historic under-regulation of the Earth's atmosphere and the orbital space around it has brought the astronomy and space communities to a critical point where action is needed to move towards a sustainable future. .…

What is a dwarf planet?

Could life exist on a dwarf planet? Three things are necessary for life: liquid water, a source of energy, and organic molecules, that is to say molecules containing carbon. More than 100 miles (161 kilometers) below Pluto's surface, a…