NASA's Perseverance Mars rover has collected many intriguing samples of organic rock from an old river delta on the Red Planet.
These samples have now been stored in preparation for an upcoming mission that aims to collect the specimens and return them to Earth.
The rover has now taken a total of 12 samples, including the four samples taken at the delta.
This fan-shaped delta built around 3.5 billion years ago is located in Jezero Crater, where the rover landed.
Perseverance took off in July 2020 and descended into Jezero Crater in February 2021.
Perseverance is presently looking into the sedimentary rocks found in the delta.
NASA and the European Space Agency (ESA) want to bring the samples to earth and study them.