By the late 2360s, it had been completely manned by Horta and was commanded by Captain Dalen. In 2369, Dalen commanded the Darwin on a scientific and archaeological expedition into the Sarpeidon Nebula and performed extensive research on the extinct Sarpeidan species.
In 2370, the Darwin, assisted the USS Enterprise-D in exploring the dyson sphere the latter vessel had discovered the previous year. Enroute, Dalen studied the current research available on the Dyson Sphere and began to see certain similarities between the builders of the Sphere and the Sarpeidans. (TNG novel: Dyson Sphere)
- Darwin was likely named for the British naturalist Charles Darwin who developed the theory of evolution with natural selection as a mechanism.