Everyone's favorite dwarf planet, Pluto, was discovered just 95 years ago. Here's the story of how the once-ninth planet was ...

The Bay Sages heard from the Delta Astronomical Society (DAS) during its monthly meeting on Thursday. DAS Newsletter Editor ...

Pluto was once called the ninth planet, but in 2006, scientists changed its status to a dwarf planet. A planet must clear its orbit of other objects, but Pluto shares its space with many small icy ...

A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper Belt ... key volatile ...

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the major planets, has a diameter that is ...

Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet ... Combination of Cosmic Processes ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Imagine the solar system's planets throwing a Bollywood dance party. Each planet has its unique dance move. Mercury moves quickly, Venus glides sensua ...

A surprising chemical difference between Pluto and Sedna ... as well as some comets that are thought to be relics of the solar system's planet-formation era. "Kuiper Belt objects are icy worlds ...