Pluto the not-yet-dwarf planet was discovered on February 18, 1930 by astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona. It was named later that year by Venetia Burney, an ...

Pluto is so far away from Earth that everything we know about it can be written down on a couple of 3 x 5 inch index cards. But Pluto will come into clearer focus in a few years' time, though, as ...

Pluto used to be one little blur in the telescope." Now there are bigger telescopes and more blurs, he said, and there may be 600 planets or there may be eight.