Featured in deep space exploration

NASA Scientist Proposes Alpha Fusion Thruster to Drive Future Deep-Space Probes
Let’s Reconstitute Humans From Genomes Launched Into Space! and Other Ambitious Proposals for Galactic Colonization
DARPA Solicits Ideas For Its Hundred-Year Starship Project
Japan to Launch Solar-Sail-Powered Craft Out Beyond Orbit for the First Time
NASA Budget: Constellation Officially Canned, But The Deep-Space Future Is Bright