planetary-science

Pluto is significantly smaller than Mercury in every measurable dimension: diameter, volume, surface area, and mass. Mercury’s diameter is about 4,880 kilometers, while Pluto�...

The landscape of Venus is unlike that of any other planet in the inner solar system. Shrouded by thick clouds, Venus presents a hostile yet geologically compelling world of vast...

Venus is the second planet from the Sun and Earth’s closest planetary neighbor in both distance and size. Often called Earth’s “sister planet,” Venus is a rocky world wi...

A meteorite is a natural solid object from space that survives passage through Earth’s atmosphere and reaches the surface. When a meteorite falls in or near a dense city like...

The NASA Juno spacecraft arrived at Jupiter in July 2016 and has since delivered definitive insights into the planet’s origin, interior structure, magnetic field, and polar dy...

When people search Uranus 2025 , they are usually asking about the planet itself, not news from this year. Uranus is the ice giant in our solar system, and its fundamentals—or...

Olympus Mons is the largest volcano and the second-highest known mountain in the Solar System, located on Mars within the Tharsis volcanic province. It is a shield volcano chara...