Giddiness and excitement swept over NASA scientists Thursday after a small rover discovered a rock on Mars that could suggest life on the red planet, reports The New York Times.

Opportunity, NASA's small exploratory rover treaded over Mars' 13.6 mile wide crater called Endeavor in early August, reports the Telegraph.

Mission scientists have described the rock as "full of zinc and bromine, elements that, at least for rocks on Earth, would be suggestive of geology formed with heat and water," reports The Age. Zinc is often found in rocks that have been exposed to water.

Though the rover has roamed Mars' terrain on and off since 2004, never has it come across such samples of this kind.

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