NASA is working on a lithium-plasma electric thruster that uses roughly 90% less fuel than chemical rockets. Can this new ...

SpaceX officials appeared pleased with the performance of Starship V3 on Friday. Elon Musk, the company’s founder and CEO, ...

The two newly formed directorates are Human Spaceflight Mission Directorate and Research and Technology Mission Directorate ...

SpaceX has launched its biggest, most powerful Starship yet. The rocket blasted off from the southern tip of Texas on Friday, ...

Elon Musk’s SpaceX tucked a warning into its go-public paperwork it filed yesterday – Grok’s “Spicy" and “Unhinged” chatbot ...

Investors buying into SpaceX's IPO are making a high-stakes wager that CEO Elon Musk can turn a fast-growing satellite ...

On May 20th, after America’s financial markets had closed, Elon Musk, the rocketry firm’s founder and the world’s richest man ...

SpaceX's official IPO filing sets up a likely Nasdaq debut next month. Goldman Sachs is lead left on the prospectus, followed ...

Elon Musk's SpaceX is getting ready to break new records on Wall Street — and make one of the world's wealthiest men even ...

Nuclear power plants are safer than many suspect. But putting reactors in space is a concept with a checkered history. One ...

Instead, the Psyche spacecraft zipped by Mars to use the planet as a celestial slingshot on its journey to its namesake, the ...

Nasa is developing ways to use nuclear power to send spacecraft to their destinations. Nuclear propulsion could greatly ...