The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

Astronomers are searching for a potential ninth planet, known as Planet Nine, which could reshape our understanding of ...

This "kiss-and-capture" event offers a new understanding of how moons are captured and helps scientists learn more about how ...

On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just slightly smaller than Pluto, and it orbits the sun about three times farther ...

The JWST has examined Chiron, a minor planet that orbits between Jupiter and Neptune, and found unexpectedly different ices ...

If the stellar winds intensify, gas escapes from the planet and a tail forms ... "WASP-69b is a very hot exoplanet that orbits very close to its star, a K-type dwarf. Due to this proximity ...

Pluto became a “dwarf planet”—but its demotion didn ... After all, he says, we see planets like that on distant orbits around other stars all the time. Trujillo is a little more circumspect ...

J anuary 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf ...

Gordon tells Universe Today, "We were motivated at the start by a couple of ideas, but my biggest source of inspiration was the idea that circumbinary planets ... dwarf star—which HD 189733b ...

According to astrophysicists, the Universe will evolve over time into a homogeneous soup where nothing ever happens.