Rudolph Hufke murdered Jesse Mitchell on his 19th birthday. His grandmother hopes the sentence deters future crime.

Physicists show knotted cosmic strings may have dominated the early universe before collapsing to create matter—a theory ...

A flash of light hits a simple iron crystal. In the space of a trillionth of a second, its magnetic behavior shifts, as if ...

The camera rumors are flying thick and fast! Here are the most credible rumblings and reports about what's coming next ...

Every cell in the body has the same DNA, but different cell types—such as muscle or brain cells—use different parts of it.

Although heart cells and skin cells contain identical instructions for creating proteins encoded in their DNA, they're able ...