A commercial robotic lander developed by the Japanese company ispace was supposed to land on the moon at 12:40 p.m. EDT (1640 UTC) Tuesday, attempting to make history as the first privately-funded enterprise to achieve a controlled touchdown on the lunar surface. But mission controllers lost contact with the spacecraft just before landing.

A commercial Dragon cargo capsule is heading back to Earth Tuesday to conclude a 31-day stay at the International Space Station. The SpaceX-owned spacecraft was released from the station’s Canadian-built robotic arm at 10:59 a.m. EDT (1459 GMT), and the Dragon supply ship splashed down in the Pacific Ocean with nearly 3,400 pounds of cargo at 4:21 p.m. EDT (2021 GMT).

A slide wire escape system has been undergoing tests at launch pad 39A at the Kennedy Space Center in readiness for the first SpaceX Crew Dragon flight to carry astronauts to the International Space Station.