A particle physicist explains just what this keystone theory includes. After 50 years, it's the best we've got to answer what everything in the universe is made of and how it all holds together.
The wired Earth of the 21st century is at the mercy of the volatile nature of the sun.
A look at the spooky side of electromagnetism in our culture.
Work to develop a single-atom magnet that works at room temperature has just taken a big leap forward.
Physicists have theorised about the existence of a magnetic monopole for decades, but we have yet to find one.