Senator Harry Reid, the Senate Democratic leader who announced his retirement last week, settled into a corner booth at the Triple George Grill here, his faced masked by dark sunglasses, evidence of lingering injuries from a workout accident that left him blind in one eye.

The University of Nevada, Las Vegas is among 16 locations hoping to host a presidential debate in 2016.

Tiny pupfish have adapted their respiration to go without oxygen for long stretches.

Any emergency room doctor will tell you that a patient who presents with multiple injuries requires multiple interventions to save his life.

Las Vegas is coming out swinging in the fight to host a presidential debate in 2016.

And you thought you could hold your breath for a long time. Enter the desert pupfish, a tiny fish that has been playing evolutionary catch-up due to the extreme changes in its environment over the last 10,000 years.

Las Vegas tourism officials want to host a presidential debate during the 2016 campaign.