When NASA’s New Horizons probe finally flew past Pluto, the images it sent back completely changed how we see this tiny world ...

There could be aliens living inside the dwarf planet Pluto, Professor Brian Cox says. The scientist says that data sent back by NASA’s New Horizons probe offered hope that the planet might be able to ...

This is an image of Pluto you've seen before, but not quite this colorfully. A NASA/New Horizons press conference later today will provide information about the latest Pluto discoveries and new images ...

A City on Mars. By Kelly Weinersmith and Zach Weinersmith. Penguin Press; 448 pages; $32. Particular Books; £25 That opinion is not popular in the circles in which they move. But they argue their case ...

Praise be! Another planet has finally left its retrograde motion and the resulting chaos behind. On October 8, Pluto, the planet of transformation and destruction, will exit its yearly retrograde — ...

Astrological events like Mercury retrogrades, lunations, and zodiac sign seasons tend to occur frequently. But because Pluto is so far away from the sun, it moves through the zodiac much more slowly.