Which is the Smallest Planet in the Solar System?

Mercury is the smallest planet in our solar system. Explore its size, extreme temperatures, core structure, and comparison with Pluto.
Earth.com

‘Inside-out’ planetary system breaks the rules of planet formation

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
El Adelantado de Segovia

Farewell to the Jupiter of textbooks—the Juno probe reveals a smaller, flatter planet—and NASA prepares for changes

Jupiter, the largest planet in the solar system, isn’t exactly the size and shape scientists believed it was. New measurements from the Juno spacecraft show ...
Science Daily

Puffy baby planets reveal a missing stage of planet formation

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...