U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half.

In the study, treatment with AGA111, a recombinant human bone morphogenetic protein 6 (rhBMP6), led to faster radiographic fusion and a higher fusion success rate, as well as greater improvements in ...