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Pulsar Fusion achieved a fusion rocket plasma ignition in March 2026 and is developing its Sunbird propulsion system toward sub-six-month transit to Mars.
ACTIVEPulsar Fusion is a Bletchley, UK space propulsion company offering electric propulsion now and developing fusion propulsion. In March 2026 it achieved first plasma in the exhaust test system of its Sunbird nuclear fusion rocket, using krypton propellant; the company lists a 150-day Earth to Mars transit for Sunbird.
Pulsar Fusion is developing nuclear fusion propulsion systems for in-space transportation. In March 2026, the company achieved the world's first fusion rocket plasma ignition, a historic milestone for interplanetary travel. The Sunbird propulsion system aims to dramatically reduce transit times, potentially reaching Mars in under 6 months.
Not ranked: Data in 0 pillars; at least 2 are needed to rank.
0 of 5 inputs measured · Insufficient data · 0% of applicable weight backed by data
Not measured: Headcount, Market value, Reported revenue
Not measured: Capital raised (24 months)
Not measured: Open-role change (90 days)
A pillar score averages the company’s percentiles among the tracked companies with a value: relative standing, not a grade. Inputs measured 2026-10-13 (UTC) · methodology v6. Every input, its value and percentile · How it is computed
The Space Score ranks companies relative to each other on public data we hold. It describes; it does not rate, forecast or recommend. It is not a credit rating and not investment advice. Full disclaimer
Sources: Founded, Headquarters, CEO, Legal name
For information only, not investment advice. SpaceNexus is not a registered investment adviser, broker or dealer, and nothing here is a recommendation to buy, sell or hold any security. Data may be delayed, estimated or incomplete; check the source before acting. Full disclaimer
No private round on record. Debt, grants, state capital, owner funding and acquisitions are listed under Funding history by class and not added in.
Nuclear fusion propulsion system for rapid interplanetary travel.
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APA
SpaceNexus. (2026, October 13). Pulsar Fusion: Company dossier [Data set]. Retrieved October 13, 2026, from https://spacenexus.us/company-profiles/pulsar-fusion
Chicago
SpaceNexus. "Pulsar Fusion: Company dossier." Data as of October 13, 2026. Accessed October 13, 2026. https://spacenexus.us/company-profiles/pulsar-fusion.
BibTeX
@misc{spacenexus_pulsarfusion_2026,
author = {{SpaceNexus}},
title = {{Pulsar Fusion}: Company dossier},
year = {2026},
month = oct,
howpublished = {\url{https://spacenexus.us/company-profiles/pulsar-fusion}},
url = {https://spacenexus.us/company-profiles/pulsar-fusion},
urldate = {2026-10-13},
note = {Data as of 2026-10-13; each fact links its primary source}
}