The space agency has published its budget request to Congress which would see funding for science projects cut by nearly a half.

The worried reaction within space and national security agencies highlights the risks of government’s exclusive dependence on SpaceX for crucial tasks, including classified missions.

Following a public dispute between Donald Trump and Elon Musk, NASA and the Pentagon are exploring alternative spaceflight providers. Musk's threat to halt SpaceX flights, including those to the ISS,