Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was redefined in 2006 as a dwarf planet, a decision that still sparks ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

What will our solar system look like after the Sun dies? This is what a recent study published in the Monthly Notices of the Royal Astronomical Society hop | Space ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Anyone hungry for the icy crunch of a Pluto -like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque ...

During observations of Pluto, an astonishing discovery gradually emerged—there seems to be ice volcanoes on Pluto. This ...

"Makemake is one of the largest and brightest icy worlds beyond Neptune, and its surface is dominated by frozen methane," ...

In 2015, after flying for 9 years and covering nearly 5 billion kilometers, the New Horizons spacecraft successfully flew ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.