CAPE CANAVERAL, Fla. (AP) — An experimental humanoid known as Robonaut is back on Earth.

SpaceX tweeted that its Dragon capsule carrying Robonaut and other items from the International Space Station made a good splashdown in the Pacific on Saturday afternoon.

The capsule splashed down off the California coast.

It was the second of two space-related events Californians were treated to Saturday. In the early morning, NASA launched a Mars lander from Vandenberg Air Force Base.

In orbit for seven years, Robonaut needs a tuneup because of circuitry problems. NASA officials say Robonaut may launch a...