A dwarf planet in our own solar system may once have been habitable, new Nasa research has revealed. Ceres, which lies ...

Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the ...

A new study suggests that the dwarf planet Ceres once supplied a steady stream of chemical energy and may have been habitable.

New evidence suggests that a dwarf galaxy orbiting the Milky Way called Ursa Major III is actually a star cluster.

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of the Avatar series, which centers on a moon that orbits a fictional gas ...

To make matters worse for the Planet Nine theory, this is the fourth sednoid to be discovered. The other three also exhibit stable orbits, similarly suggesting that any Planet Nine would have to be ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as planet X, prominent astronomers ...

The debate about an undiscovered planet X or planet 9 has been going on for more than 100 years.

What can planets orbiting red dwarf stars teach scientists about planetary formation and evolution? This is what a recently submitted study hopes to address as an international team of researchers ...

Ceres, the largest object in the asteroid belt between Mars and Jupiter, has long perplexed planetary scientists. Once considered a planet, then an asteroid, and now officially classified as a dwarf ...

Dwarf Planets as of Wed Apr 9 2025 there are: 10 objects which are nearly certainly dwarf planets, 27 objects which are highly likely to be dwarf planets, 68 objects which are likely to be dwarf ...