Clumps of strange yellow balls have been showing up in several images captured by NASA's Spitzer Space Telescope, and a group of volunteers were the first to spot them after combing through ...

Besides their practical benefits, ground covers can also invite more beauty and color to your yard. Looking to add a dash of sunshine yellow? Meet woolly yarrow (Achillea tomentosa), the ground ...

As the Australian Open gets underway and fans become glued to their TVs, not many people are thinking about the history of a tennis ball. It's hard to imagine a time when the game was ever played ...