Neptune, Pluto. Pluto was last and least of them. An icy dwarf only half the size of the United States, it was on average 3.7 billion miles from the sun. It also has a decidedly strange orbit that ...

"That was based on some irregular motions, or apparent irregular motions, of [Uranus and Neptune]." He called this hypothetical world "Planet X." "In some ways, Pluto's more of a planet than some ...

It's yet another week, bringing us to the halfway mark of March, the rejuvenating Spring Equinox, and Aries season! Every ...

For decades, it captivated imaginations with its icy surface and distant orbit beyond Neptune. But in 2006, Pluto’s planetary reign came to an end when the International Astronomical Union ...

Here are some key dates and astrological events to keep in mind: March 17: The Sun aligns with the North Node of destiny in ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...