“If we’re going to leave our solar system within a human lifetime, fusion propulsion is the technology to make it happen.” With these words from Pulsar Fusion’s CEO Richard Dinan, the race to Sedna a ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that one trip around the Sun takes more than 11,000 years. For much of that time ...