The event,on July sixteenth, was a rare chance for planetary scientists to share with the public the mysteries of Mars.

VOA: special.2010.07.28

President Buchanan had promised the people of Kansas that they would have a fair chance to vote on their constitution.

VOA: special.2009.05.21

He believed it might be best to let Lee escape than to take a chance on losing what remained of the Army of the Potomac.

VOA: special.2009.11.05

This was it. What could be an impossible effort in the history of spaceflight was ready to lift off on its final chance for success.

VOA: special.2009.07.01

Israel offered less hope of an early resolution to the conflict, when Foreign Minister Avigdor Lieberman said on Israeli radio Thursday that there is no chance of peace anytime soon.

VOA: standard.2009.10.08

"We don't want to rob people of a constitutional right but - I kind of don't like saying this, but I'm going to do it, and that is - to err on the side of protection is the chance sometimes we have to take."

VOA: standard.2010.05.06