Jeff Bezos’ space company Blue Origin is potentially hours away from launching a massive rocket that will send twin probes to Mars. The high-stakes mission has deepened the company’s rivalry with Elon Musk’s SpaceX as the two compete for dominance in the commercial spaceflight industry.

The Senate on Nov. 10 voted 60-40 to advance a funding bill that would end the government shutdown. The bill now heads to the House for approval.