Nothing in the universe is static. In the Milky Way, billions of stars orbit the galactic center. Some like our sun, are pretty consistent, keeping a distance…

For untold thousands of years, we have relied on the sun's light and warmth for our survival. Its powerful rays make life and growth in our world…

  Man's evolution has depended for millennia on harnessing the power of the sun, to grow the crops that feed us, to offer warmth and shelter, and…

For the first time is a spacecraft on the moon's far side. China set up rover and a lander there. The spacecraft is part of the Change…