Today -- June 21 -- is the Summer Solstice.
For most of us, all we need to know is that this means that summer has officially begun!
We're ready for three glorious months of hiking, biking, camping, swimming, boating, fishing, campfires and picnics.
But there is much more to the Summer Solstice, scientifically speaking.
Here is a great article that will fill you in on everything you need to know about this celestial event: http://on.today.com/mHkC2f