Happy New Year's on Mars. Martian years are almost twice as long as Earth years. Nov. 12 is the day to celebrate the start of ...

Every year people ask me, "why haven't the leaves fallen yet?" If autumn starts on September 1, then by early November winter ...

The process of changing leaf colors is often referred to as “fall foliage.” But what exactly happens scientifically to cause this change?

As the fall season starts to wrap up, leaves start to fall in droves. But why is that? Meteorologist Matt Willoughby explains ...