The SpaceX Dragon cargo capsule approaches the International Space Station on July 27, 2019. (Credit: NASA)

A SpaceX Dragon cargo spacecraft will return to Earth on August 27, bringing back experiments from the International Space Station (ISS), including investigations into how moss grows in space.

The capsule originally launched July 25 from Cape Canaveral on a SpaceX Falcon 9 rocket, taking two days to reach the ISS. It successfully completed its cargo resupply mission and has been do