'An infinite, giant trampoline': Apollo 17's Harrison Schmitt remembers what it is like to walk on the moon03:16
Dr. Harrison H. Schmitt was on the last manned mission to the Moon — Apollo 17. He was the first scientist to walk on the lunar surface.
China's experiment proves life is possible on the Moon01:21
Watch this huge floating ice disk found rotating in Maine river01:08
This is how solar panels work01:15
CES 2019 Round up: 8K TVs and smart tractors01:26
Citizen scientists discovered a remarkable new exoplanet01:36
Hyundai unveils its ‘walking car’ at CES01:06