Tensions between President Donald Trump and his billionaire sidekick Elon Musk continue to rise as Musk called the administration’s plans to drastically slash NASA’s budget “troubling.”The SpaceX CEO responded to an article by technology news outlet Ars Technica that outlined the agency’s budget cuts Friday.

Elon Musk said reports that President Donald Trump’s budget proposal would drastically cut NASA’s science funding were “troubling,” the latest public break between the president and his close adviser.

The administration of Donald Trump has proposed nearly halving NASA’s science funding for 2026 — a move that has raised alarm within the scientific community, according to Bloomberg. The annual budget proposed by Donald Trump for the National Aeronautics and Space Administration (NASA) in 2026 includes an almost twofold cut to the agency’s science