Jack committed to the eight-week quit program and immediately could see this way to quit was different. He was given a workbook with a bunch of information and tools, all of which he took full ...

The contestants return for a reunion to discuss unresolved issues in the second part of "The Challenge: Battle of the Eras" ...

The Challenge 40 Reunion Part 2 was released recently and continued the drama. It revealed secrets and hookups that viewers were not ready to see.

With a whopping 40 The Challenge vets in one house (er, castle) in The Challenge 40: Battle of the Eras, the personality ...

A secret hookup, the end of the Vacation Alliance, a surprise appearance from TJ — this reunion special had it all.

In chemistry, a covalent bond occurs when two atoms share an electron, merging together to produce a stronger, more permanent structure.

Scientists at the University of Virginia have uncovered how different exercise intensifies the impact of the hunger hormone ghrelin in the body.

Well, no. Some things will remain science fiction, or will be realized imperceptibly far into the future. But in 20 years, many of us will enjoy new technological innovations — although some will ...