Our Solar System Is The Rarest Kind In The Milky Way, Say Scientists

The Search for Intelligent Life Is About to Get a Lot More Interesting - The New York Times

Earth's wild ride: Our voyage through the Milky Way

Why the Universe Is Becoming More Habitable, Science

Exoplanet discoveries reveal Earth's profound rarity in the cosmos - Big Think

Rocky 'Water Worlds' Are Far More Common In Milky Way Than We Thought, Say Scientists

Galaxy - Wikipedia

Solar system, Definition, Planets, Diagram, Videos, & Facts

No place like home: Our lonesome solar system

Hot and heavy: New study of 'teenage galaxies' yields some surprises

Scientists might've finally explained ring galaxies, the rarest galaxies in the universe

The hunt for habitable ocean worlds beyond our solar system