In a landmark deal that reshapes the intersection of space exploration and artificial intelligence, Elon Musk's SpaceX has acquired his AI startup xAI, creating the world's most valuable private company at a combined valuation of $1.25 trillion.

The U.S. Supreme Court agreed on December 5 to review the legality of President Trump's executive directive aiming to limit birthright citizenship under the 14th Amendment of the U.S. Constitution, a move lower courts have deemed unconstitutional.  Oral arguments are expected to take place in the spring of 2026.