Never heard of the quagga? You’re not alone. The animal, a relative of the zebra, went extinct over 100 years ago. Now, a group of scientists outside of Cape Town are bringing it back. Like zebras, ...

Invasive zebra mussels now found in upper Colorado River. What does it mean for Lake Mead? Read more from The Nevada ...

The zebra mussels that have wreaked ecological havoc on the Great Lakes are harder to find these days -- not because they are dying off, but because they are being replaced by a cousin, the quagga ...

Colorado specialists are monitoring water, decontaminating boats and educating the public to keep invasive zebra mussels from ...

Lake Erie's zebra and quagga mussel plague has gone nationwide.An outbreak of the invasive aquatic mollusks is worsening in the upper Great Lakes where the population has tripled in the last three ...

Quagga and zebra mussels are the size of a thumbnail. But don’t be fooled. These little guys are invasive. Once they get established in an area, they spread quickly and start competing with the local ...

Oregon officials have discovered invasive quagga mussels on a pontoon boat that was transported to the state from Nevada, marking the first such finding of the year. An official from the Oregon ...

Scientists say they have "restored" an extinct zebra subspecies. May 27, 2011 -- Imagine if the woolly mammoth roamed the earth once more. Japanese scientists say the elephantine beast could be cloned ...

The battle against invasive quagga mussels at Lake Mead is continuing and two more types of the mollusks have been detected — ...