Stories about: space exploration  

How to try and improve your chances in getting to the last system

Retrieving Martian soil samples is a major goal of space exploration

Researchers say that studying these locations may yield valuable clues

Building a shelter on the Red Planet is a thorny issue

The astronauts will simulate a space mission inside Italian caves

A crew of astronauts will venture underground next month

The spacecraft are very small and can be assembled rapidly

The data could be used to make space exploration safer

The thrusters will go on a next-generation rocket

Scientists say they may use it to protect future explorers

Layer-by-layer building and 3D printing are the ways of the future

The vehicle is scheduled to launch to space in 2014

The clip was produced by the company Planetary Resources

NASA analyzed information provided by scientists at a recent meeting

Private companies are already lining up to do this

The mission is meant to simulate living and working on other planets

Spacesuits were taken deep underground for this study