The Arizona Republic's Sasha Hupka explains what's at stake in a fight among Republicans over Maricopa County Recorder Justin ...

This star projector is also a Bluetooth speaker that can play your favorite tunes as it cycles through 16 cool color schemes.

Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

A stellar nursery hidden in Scorpius, the Dark Tower is a glowing, wind-sculpted cloud of gas shaped by young stars’ ...

David Benavidez and David Morrell are set for a high-stakes light heavyweight showdown on Saturday night. Benavidez and Morrell are both fighting at 175 pounds for the second time since the two ...