On Aug. 21, mid-morning Pacific time, the town of Salem, Oregon, will slip into shadow. The moon will slowly and inexorably slide in front of the sun, and our star's light will slowly grow dimmer.

Results of the 14th annual Cool Science Image Contest were announced on Wednesday with winners selected from a pool of entries that include University of Wisconsin faculty, professors and students.

ORACLE, AZ — Arizona is home to one of the most unique science experiments in the world. Biosphere 2 is a groundbreaking research facility studying climate change and ecosystems inside an enclosed ...

Lemon Volcanoes Science Experiments bring an exciting, fizzy, engaging science experience to your home or classroom from the very first moment. In this Fun Lemon Volcanoes Science Experiments activity ...

PHILADELPHIA (WPVI) -- Everyone knows it's cold it is outside. The entire Philadelphia region has remained below freezing for the seventh day in a row, with little relief in sight. But we are tapping ...

Re: Rubin (aka LSST), fast lenses for "normal" focal lengths like that Canon (50mm ?) are not uncommon, but as you move out from the nominal 45ish angle to wider or longer focal lengths they become ...