The 21st century is featuring a second space age that is increasingly private.

"There are incredibly tantalizing samples in the Perseverance rover's cache that could revolutionize our understanding of life in the solar system." When you purchase through links on our site, we may ...

Add Yahoo as a preferred source to see more of our stories on Google. Former Google CEO Eric Schmidt and his wife, Wendy, recently announced that they would finance, out of their own pocket, a number ...