Traditional theories suggest that Pluto's formation process is similar to that of other celestial bodies in the Kuiper Belt, gradually forming from ice and rock in a low-temperature environment. The ...

At the vast edge of the solar system, Pluto has long been perceived as a cold and lonely dwarf planet. However, a recent groundbreaking study has revealed that it may have had an extraordinarily fiery ...

Astronomers using the James Webb Space Telescope have peered into a mysterious blue haze cloaking the surface of Pluto — and discovered that it's controlling the dwarf planet's climate and atmosphere.

WEST LAFAYETTE, Ind. — Researchers propose an ammonia-water slurry as the basis for Pluto's newly discovered geologic activity and possible volcanism, and offer a new method to predict planetary vigor ...

Scientists have discovered methane gas on the dwarf planet Makemake, a finding that has surprised astronomers studying the outer solar system.

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

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to ...

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA's Hubble Space Telescope could identify that ...