Yesterday’s landing attempt for the SpaceX Falcon-9 booster almost succeeded. The rocket came down on the robotic recovery ship, but had too much lateral velocity and tipped over.
Meanwhile, the main mission to resupply the International Space Station is on track for a Friday rendezvous. The cargo-carrying Dragon capsule is also a recoverable vehicle (final landing is via parachutes, not rockets), and was successfully recovered on the last mission:
The next Falcon-9 landing attempt will be in June. Stay tuned.