Local and national public-interest groups, as well as Havasupai Tribe members, delivered more than 17,000 petition signatures to Gov. Katie Hobbs today urging her to use her authority to close the Pinyon Plain uranium mine that threatens the waters of the Grand Canyon and the Havasupai Tribe.

Supermassive black holes at the hearts of active galaxies may be churning out a lot of the universe’s high-energy neutrinos.

The worst part about flying isn't the flight itself. It's not even airport security. What's always a pain is boarding the aircraft. There's something utterly chaotic about the process, from the jumbles of people crowding the gate to the shuffling down the aisle before being blocked by someone in front of you attempting to put their bag in the overhead bin (which they'll often do the wrong way). There must be a better way, so why do airlines board front to back?

Caltech researchers have discovered a new class of enzymes that enable a myriad of bacteria to "breathe" nitrate when in low-oxygen conditions. While this is an evolutionary advantage for bacterial survival, the process produces the greenhouse gas nitrous oxide (N2O) as a byproduct, the third-most potent greenhouse gas, after carbon dioxide and methane.

Levels of the chlamydia-causing microbe in Las Vegas wastewater increased following holidays and major events, according to an analysis presented Sunday at ASM Microbe. Wastewater surveillance has been used to track changes in the prevalence of SARS-CoV-2 and increasingly other pathogens like influenza and RSV to inform public health officials about the state of infectious disease in the community.

Clark County School District teachers took a field trip on Wednesday—not with students, but with UNLV professors. They went to Late Night Trailhead to check out some of the rock formations unique to the Las Vegas Valley and to find ways to add new and exciting lessons that engage students on top of their existing curriculum.