California Academy of Sciences | See how all life is connected at the world’s only aquarium-planetarium-rainforest-living museum.

Credit: NASA/JPL-Caltech/Robert Hurt

Exoplanet science has moved from “stamp collecting” to the discovery of Earth-sized planets and unusual worlds.

The search for a meteor’s origins, an ancient ocean on Pluto’s large moon, and an exoplanet’s atmosphere.

An artist’s impression of a world that shouldn’t exist at least according to the accepted theory of how planets form.

Where Do Planets Come From?

New observations and new theories call into question the dominant paradigm of planet formation.

The Search for Earth-like Worlds