Propulsion Systems

Starcloud founders plan 2029 launch of tiny probe toward Alpha Centauri

A nonprofit team led by Starcloud co-founders Philip Johnston, Adi Oltean and Ezra Feilden is developing the Fermi Explorer, a 1-kilogram, 10-centimeter cube meant to be the first human-made object aimed at another star system. The probe would spend 12 years spiraling closer to the sun to build speed before exiting the solar system in the early 2040s, then travel roughly 79,800 years before reaching Alpha Centauri.

cnet.com · 2026-09-01

Fusion startups now number 46, with $14.6 billion raised to commercialize the technology

The Fusion Industry Association reports that 46 companies worldwide are working to turn nuclear fusion into a commercial electricity source, alongside others pursuing niche uses like medical isotopes, materials testing and spacecraft propulsion. As of August 1, the electricity-focused firms had collectively raised $14.6 billion from venture capital, private investors, utilities, government grants and data-center operators seeking new power sources.

nature.com · 2026-08-26