The season's warmer temperatures and shorter nights trigger all kinds of changes in the natural world-including mating ...

Astronomical spring began this past Friday morning, but even before then, there were and still are definite signs of spring ...

The start of spring transforms the National Mall into a sea of pink. iReporter Navid Baraty saw Washington's cherry blossoms for the first time last year. "I really wasn't expecting it to be quite as ...

Spring arrives on Friday. Here's how the season is looking right now for Maine.

Add Yahoo as a preferred source to see more of our stories on Google. Friday marks the arrival of astronomical spring. At 10:46 a.m. on March 20, the sun will be directly over the equator, signaling ...

Astronomical spring began this past Friday morning, but even before then, there were and still are definite signs of spring ...