The Ketchikan Public Library’s event room on Thursday afternoon was buzzing with a group of lively youngsters excited to ...

I tried a series of amazing light experiments to explore reflections, refractions, and optical illusions, showing just how fun and surprising light can be.

The Event Horizon Telescope (EHT), which is operated to capture images of black holes, has re-observed the shadow and ring of light structure of the ...

In light-polluted landscapes, birds' singing time is an average of 50 minutes longer per day. It's still unclear if this hurts bird health or helps.