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More mosquitoes in Southern Nevada are testing positive for West Nile virus than ever before, and a new species in the region is making it harder to get rid of the pests.

More mosquitoes in Southern Nevada are testing positive for West Nile virus, but that isn't the only concern. The populations of certain mosquitoes are exploding here, which is why many of us are getting more bites compared to years past.

UNLV professor and mosquito disease expert Louisa Messenger tells Joe Moeller why Southern Nevada has seen a "massive uptick" in our mosquito population in recent years.

As the weather warms up and humidity increases, mosquitoes are hatching in backyards across the country, eager to victimize innocent barbecue-goers and home gardeners everywhere.

On the steps of Capitol Hill, we meet the scientists bringing their scientific battle against malaria into the world of political advocacy. They join a 100+ group of advocates lobbying their members of Congress to fund critical interventions against malaria – becoming ‘malaria champions’ as well.

The recent rain has created a lot of standing water around the valley, making it a breeding ground for mosquitoes, which are not typically a problem for us in Las Vegas.

"What is the most dangerous animal in the world?” The answer might surprise you, according to Chad Cross and Louisa Messenger, professors with the UNLV School of Public Health.