Asteroids key to future Mars missions: NASA

Near-earth asteroids provide a unique opportunity to test the new technologies and capabilities we need for future human missions to Mars, NASA has said.

Near-Earth asteroids and Mars` 2 moons considered for future space missions

Researchers have successfully completed a first series of field tests aimed at investigating how humans will explore and work on near-Earth asteroids (NEAs) and eventually the two moons of Mars, Phobos and Deimos.