Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

We bring up this history because it is directly related to the story of Pluto. In 1846, Neptune, the fourth of the giant planets beyond the asteroid belt, was discovered—thirty times farther ...

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

"That was based on some irregular motions, or apparent irregular motions, of [Uranus and Neptune]." He called this ...

Thomas says this goes for all outer planets: Jupiter, Uranus, Neptune and Pluto. “Jupiter and Saturn are the only outer planets that the ancients were aware of in previous times,” explains Thomas.

Take your time responding to questions and demands near the 17th. Many changes are in the wind as April winds down, and ...

Neptune, Uranus and Pluto all changing signs, moving from water and earth signs to fire and air signs. A familiar thread astrologers will use when mapping out the energetic themes of a timeframe is to ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Superior planets (those that lie further from the Sun than us: Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto) can reach an elongation of 180 degrees, which is called opposition; that is, they ...

Three of the four Outer Senshi possess magical talismans, and yet they are not always shown with their respective owners, who ...