"The data from the termination shock encounter will be a treasure trove for space physicists worldwide who are eager to ...

Pluto is too far away from Earth to be seen with the naked eye. If you stood on Pluto's surface, the Sun would merely appear to be a very bright star. Although previous images showed that ...

Not to mention the powerful retrograde periods and a new eclipse cycle. This all is a BIG deal, not only for your personal life, but for our global community as a whole. Now that Pluto is ...

(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague?

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all ...