This video shows how to make the Blue Bottle Reaction, where a clear liquid turns bright blue when shaken, then fades as it ...

“Leaf color change in autumn is a great example of how living organisms respond to seasonal cues,” said Kwangwon Lee, a ...

Recent weather in New York is causing leaves to change earlier this season and into different colors, nature experts say.

Here’s what to know about why leaves change color in the fall—and how the process is being impacted by climate change.

As the long, warm days of summer transition to a darker, cooler winter, leaves across much of the country put on a dazzling display of colors. And as it turns out, the oranges, reds, browns and ...