Alan Boyle<p><a href="https://mastodon.social/tags/PortalSpace" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PortalSpace</span></a> Systems says $17.5 million in fresh funding will accelerate the development of its fast-maneuvering <a href="https://mastodon.social/tags/Supernova" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Supernova</span></a> space vehicle, which will rely on solar thermal propulsion. <a href="https://www.geekwire.com/2025/portal-space-systems-raises-17-5m-for-orbital-spacecraft-powered-by-solar-heating/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">geekwire.com/2025/portal-space</span><span class="invisible">-systems-raises-17-5m-for-orbital-spacecraft-powered-by-solar-heating/</span></a> <a href="https://mastodon.social/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a></p>