They are words such as because, although, unless, whereas. They do the job of showing the relationship between the two clauses and showing us which is the most important. Greg stayed behind after ...

They can be used to join together two clauses in a sentence. However, the clauses need to make sense on their own. For example: I had a terrible cold. I still went to work. You can add the ...

A celestial event called a conjunction featured the moon, Venus, and the star Regulus on Sept. 19. The trio will still be shining on Sept. 20, but Venus and Regulus will be further from the moon. The ...