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

Hubble observations show a white dwarf star shredding and accreting a volatile-rich, Pluto-like body 260 light-years away. The discovery suggests icy worlds can survive stellar death and hints at our ...

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

Using Pluto as an example, this celestial body, once considered the ninth planet, was redefined as a dwarf planet in 2006.

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

As the sun enters the justice-seeking sign of Libra, themes of balance, compromise and relationships take precedence ...

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

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

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

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

Astronomers using NASA’s Hubble Space Telescope have witnessed a rare cosmic meal: a white dwarf star consuming pieces of a ...

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