self-propelled devices

Robot explorer Mars moves worm-type
The US Aeronautics and Space Agency (NASA) will release a self-propelled Martian exploratory device filled with liquid and can move on the surface of the Red planet like a worm.
Alien life can be found in the next 30 years
Scientist of the US Aeronautics and Aeronautics Agency (NASA) revealed that humanity can detect clear evidence of alien life in the next 20-30 years.