The moon is our constant companion and the only natural object that always orbits Earth. It's about four times smaller than Earth and its gravity is much weaker, which is why astronauts bounce around ...

Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts are on the verge of becoming the first humans to venture near the moon in more than half a century since NASA's ...

While human missions to the moon will be facing Earth, on the other side of the moon, completely hidden from view, there will ...

The only way to create a sustainable program of exploring the moon and Mars with humans, beyond the initial flush of achievement, is by fully integrating science into our planning. We won’t be able to ...

The conference will be held on May 28 and May 29 in Washington, D.C., with panels available via live webcast online. When you purchase through links on our site, we may earn an affiliate commission.

Four astronauts are on the verge of becoming the first humans to venture near the moon in more than half a century since NASA's iconic Apollo era came to an end. As early as February, the crew of a ...