Former confidants Donald Trump and Elon Musk's relationship deteriorated after Musk's departure from the Department of Government Efficiency and criticism of Trump's tax bill.

The Tesla CEO's quick reversal after his blow-up with the president communicates quite a lot, one expert in political science says.

What happens in Washington decidedly does not stay in Washington, with practically every action taken by the richest and most powerful country in the world having a near-immediate global reaction—on tariffs,

As the fracas between Elon Musk and President Donald Trump escalated to the point of Musk threatening to decommission SpaceX's Dragon spacecraft, NASA revealed even more delays to Dragon's alternative,

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.

Space science experts told ABC News SpaceX has been essential to NASA’s missions and the breakdown of a relationship would leave a hole that would be hard to fill.

Jared Isaacman, whose nomination to serve as NASA administrator was rescinded, discussed "exactly how it went."

Elon Musk’s threat, which he later retracted, to cut off NASA’s use of SpaceX’s Dragon spacecraft would be a huge blow to NASA, depriving the space agency of the only American vehicle capable of transporting astronauts to the International Space Station and dramatically changing how NASA would access the $100 billion orbiting laboratory.

President Trump on Saturday said that he planned to withdraw his nomination of Jared Isaacman, a billionaire entrepreneur and close associate of Elon Musk’s, to be the next NASA administrator, days before Mr. Isaacman’s expected confirmation to the role by the Senate.

NASA employees have until July 25 to decide if they'll stay or go. NASA put out a new call urging its workforce to leave the agency this week with a new offer for employment buyouts as the U.S. space program faces huge budget cuts proposed by the Trump administration.