Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, said Renu Malhotra, a planetary scientist at the University of Arizona who has ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

Like other bodies in the outer Solar System, Pluto may have have rings orbiting it. Finding these rings could be important for the safety of NASA's New Horizons mission - currently en route to the ...

The five dwarf planets recognized by the International Astronomical Union are Pluto, Ceres, Eris, Haumea and Makemake—and these are pictured with 2017 OF201 in a telescope image. Dwarf planets: NASA / ...

2025 is going to be the most significant year of the century and everyone alive will be a witness to history, especially in the US. This is because the three major outer planets, Pluto, Neptune, and ...

It’s officially July’s retrograde season, as the outer planets—Jupiter, Saturn, Uranus, Neptune, and Pluto—all begin shifting into reverse. To be honest, this isn’t a rare occurrence. These ...