Large waves crashed into the Pacifica Pier, south of San Fransisco, on Tuesday, October 21, with the ocean spray causing ...

It’s all to do with the raindrops, says one reader, with them needing to be relatively uniform in size and well separated for ...

Modern chemistry is increasingly focused on developing sustainable processes that reduce energy consumption and minimize waste. Photocatalysis, which uses light to promote chemical reactions, offers a ...

A double rainbow can mean something special depending on who you ask, and you definitely don't see them every day.