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 ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

It’s no secret that the number of people on the planet increases ... to extinction by not having kids. But we could have a more integrated relationship with the earth and its other species ...

So put your kids in charge of eliminating single-use plastic from an upcoming family vacation, and watch as your little planet protectors ... kids and save-the-Earth sightseers.