After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The old star might have destroyed a nearby planet. Dating back to 1980, X ...

They found that a planet orbiting a white dwarf star would offer a warmer climate than one orbiting a main sequence star. Among the roughly 10 billion white dwarf stars in the Milky Way galaxy ...

Get Instant Summarized Text (Gist) White dwarf stars may host more habitable exoplanets than previously thought. A study using a 3D global climate model found that exoplanets orbiting white dwarfs ...

A planet’s rotation determines how heat is distributed across its surface, which in turn affects its climate and potential habitability. The white dwarf’s habitable zone – the region where an ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now know where they’re coming from – the death throes of a planet being ...

Fresh research from Purdue University presents compelling evidence that this mysterious body, our solar system’s largest asteroid and smallest dwarf planet, once hosted an ancient ocean that froze ...

An icy dwarf only half the ... spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos ...

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...