If you look up and notice a bluer-than-average sky during fall months, your eyes aren’t playing tricks on you. It’s simply ...

Blue is one of the rarest hues in nature. Even flowers, birds, and butterflies that look blue usually rely on optical tricks ...

More than 7,000 people gathered at Colorado State University’s (CSU) stadium on Thursday for what should have been a speech by Turning Point USA founder Charlie Kirk — instead, it was a massive vigil ...

We developed a hybrid copper–iodide compound called CuI(Hda). It emits deep-blue light at about 449 nanometres and has an almost-perfect photoluminescence quantum yield — a measure of emission ...

Voters in Virginia’s Washington suburbs are heading to the polls Tuesday in a special election that could offer an early glimpse of the state’s high-stakes governor’s race this fall. Republican ...