Add Yahoo as a preferred source to see more of our stories on Google. Spring has officially sprung in North America, bringing with it the promise of warmer days. At precisely 5:01 a.m. ET on Thursday, ...

Spring has officially sprung in North America, bringing with it the promise of warmer days. At precisely 5:01 a.m. ET on Thursday, March 20, the sun's rays fell directly on the equator, marking the ...

Groundhogs spend the summer packing on fat for winter. During hibernation, which lasts about three to six months, they lose ...