They are hoping to learn more about dark matter in an effort to better understand how the universe expands and shrinks.

VOA: special.2009.07.21

The idea is that the matter we see does not have enough gravitational pull to keep galaxies together.

VOA: special.2009.07.21

We will try to get to the heart of the matter to better understand the most important things about words and their stories.

VOA: special.2010.07.11

The Homestake Gold Mine was chosen to study dark matter because it is largely protected from the radiation that could interfere with the project.

VOA: special.2009.07.21

Flicit's opinion of his wife's behavior after two months of marriage did not matter to him.

VOA: special.2009.06.27

They have a center,and arms of matter that seem to circle the center like a pinwheel.

VOA: special.2009.04.29

It honors all immigrants to the United States no matter where they entered the country.

VOA: special.2009.06.29

Why,it did not matter to him. He would try to make money on anything.

VOA: special.2009.08.29

Scientists can observe what they believe to be dark matter only through its gravity.

VOA: special.2009.07.21

"No matter how long it may take us to overcome this premeditated invasion, the American people in their righteous might will win through to absolute victory...

VOA: special.2011.06.02

As a matter of fact, one of the major contributors to tuberculosis going up in several countries is because diabetes is going up -- and obesity.

VOA: special.2011.05.11

Scientists say the old mine is the perfect place to study dark matter.

VOA: special.2009.07.21

If dark matter particles exist, scientists say, they should be able to observe a small amount of light given off when they hit the nucleus of a xenon atom.

VOA: special.2009.07.21

To the North,slavery was a matter of feeling.

VOA: special.2009.03.19