NASA’s New Horizons made history by revealing the unseen face of Pluto, for centuries this icy world remained a mystery ...

Summer 2015 was marked by a unique astronomical event, which occurs approximately once in ... the history of astronomy. The ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

Robert Lee Hotz covered new research and its impact on society for The Wall Street Journal.

However, some scientists argue that Pluto should be considered a planet based on geological activity rather than orbital mechanics. NASA’s New Horizons mission revealed ice mountains ...