Casey Tayler and her husband, Andy, have slept in separate beds since early in their marriage. But it wasn't until this past ...

New research suggests we may soon be able to get the benefits of sleep without having to actually sleep. Here's how.

Your next vacation could have all the comforts of home, plus extra luxuries like themed rooms, arcades, home theaters and ...

F or close to 40 years, a simple little hypothesis has been quietly sitting in a corner of graph theory, minding its own ...