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

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

Could the chemical debris of a shattered world hold clues to life elsewhere in the universe? Astronomers studying the white ...

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

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

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 ...

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

Astronomers have observed a white dwarf, a highly compact stellar ember, that appears to have gobbled up an icy world akin to ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Astronomers using the Hubble Space Telescope have uncovered the remains of a frozen, Pluto-like world being devoured by a ...