A lawsuit brought by a conservative think tank challenges the constitutionality of a Biden-era national monument adjacent to ...

"Park Opera" takes place Saturday in Balboa Park from 4 to 7 p.m., with the Moreton Fig Tree serving as the lobby or starting point of the show. Although you can come at any time and join the show at ...

A new study finds that the Sonoran Desert’s iconic cactuses are suffering, not only from prolonged drought but also from spikes in longer and more intense heat waves.