earth

The arguments about climate change, and whether or not it is the most urgent issue of our time, will probably never really be settled. While we are arguing about it down here... there is somebody “up-there” approaching the issue from above.   According to NASA’s ...

We’ve all seen the movies about giant asteroids hurtling toward Earth to snuff us all out in an instant. Science fiction films dealing with this usually do a great job of entertaining us and then making us think about what we would do if it really happened. Well, app...