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If we put the planets in order by size, Earth would be doomed

Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic equilibrium developed over billions of years. Toying with the positioning of ...
Phys.org

Planet formation favors the metal-rich inner Milky Way, suggest scientists

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers have turned their attention to the evolution of metallicity in the Milky ...
The Conversation

In what order did the planets in our solar system form?

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Are planets in the solar system that are closer ...
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After an eight-year journey, two spacecraft have begun their arrival to Mercury, the inner solar system's most mysterious planet

Mercury, the solar system’s smallest planet and the one closest to the sun, hasn’t received as much love as its celestial neighbors. It’s the least explored of the inner solar system planets, which ...
Science Daily

This strange planet pair shouldn’t exist, but it does

A bizarre planetary pairing 190 light-years away is challenging everything astronomers thought they knew about how worlds form. A “lonely” hot Jupiter — typically found without nearby companions — is ...