British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to them, and carry them to their destination at breakneck speed using nuclear ...

"We are able to make miniature stars, 'cause fusion is the same reaction that powers the Sun and stars," said Tammy Ma, who ...

Unlike conventional chemical rockets, Sunbird relies on nuclear fusion – a process that replicates the energy production at the core of stars – to propel spacecraft.