While almost everyone knows about Pluto being a dwarf planet, many are not aware that there are five others in our solar ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The largest object is the asteroid belt is the dwarf planet Ceres ... a field-of-view large enough to capture the entire planet It is about five times the distance from the Sun that Earth is ...

All five planets will be spread out along the ecliptic—the plane of the solar system upon which all planets orbit closely to. Be outside looking east at around 5:00 a.m. and you’ll see Jupiter ...

White dwarf stars could host habitable planets. Fast planetary rotation reduces cloud cover, keeping surface temperatures stable.

Scientists have long overlooked white dwarfs as hosts for habitable exoplanets, assuming their lack of fusion would make life ...

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet Eris and how those very observations led to a new way to describe the ...

Using AI to comb through data gathered by NASA's Dawn spacecraft, scientists have conducted a detailed scan of the dwarf planet Ceres to map regions rich in organic molecules to determine whether ...

Shields stressed that this results in a much faster rotation period—10 hours—for the white dwarf exoplanet, while Kepler-62's exoplanet has a 155-day rotation period. While both planets would ...