The U.S. military's plan to fight climate change02:27
The U.S. military bases are shifting towards renewable energy and are using solar panels and wind farms to eventually become net-zero energy and net-zero water users.
Saturn’s rings might be younger than we thought01:22
Here's what makes tonight's super blood wolf moon so spectacular01:18
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