A planet 140 light-years from Earth is rapidly coming apart due to its close proximity to its star. The roasting planet is effectively evaporating away: It sheds an enormous amount of surface minerals ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The first four humans to orbit over Earth's north and south poles have safely returned to ...