Welsh’s ebook is called “ Space Radiation: Astrophysical origins, radiobiological effects and implications for space ...

Using Einstein’s theory of general relativity, physicists found that clocks on the Moon would run 56 microseconds faster than ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

Last month's full moon, also a supermoon, is known as the Hunter's Moon, and this month's also has nickname. Here's what to ...