Luna program 16 was the first robotic probe to land on the Moon and return a sample to Earth.

The stories are all intended to be inspired by the theme of robotic probes on Mars.

People would want to explore it, at least with high-velocity robotic probes.

The images brought back by the robotic probes were of an unidentified and seemingly unidentifiable object.

No one knew if our robotic probe was sturdy enough to reach below the cloud tops and survive.

Seventeen artificial robotic probes hit the surface of Mars before the first human landings.

Mars was the second planet to be reached by robotic probes.

The Bell, which seems to have no living crew, has sent out robotic probes to explore and analyze human civilization.

We sent robotic probes into deep space to see if anyone else was out there and to beg for a response.

They feel a lot more can be done with robotic probes.