OSLO (Reuters) - Early flowers, migrating swallows and sleepless bears are among signs that spring has arrived long ago in the northern hemisphere even as a record mild winter formally ends on Tuesday ...

You'll know winter is almost over when you start to see the first flowers of spring. Look for these 6 varieties that are surefire signs of the changing seasons.

ROANOKE, Va. (WDBJ) - Approximately 1.5 million visitors attend the National Cherry Blossom Festival in Washington D.C. each year. But the effects of climate change are prompting trees to blossom ...

Our zoo is home to over 1,000 plant and animal species that range from extinct in the wild to ones that are native to Texas and maybe growing right in your own backyard. You'll be able to check out ...

The answer is in your yard. Watch closely for the smallest hints, record what you find and advance the cause of science. Red maple (Acer rubrum) flowers before its leaf buds break. Some trees bear ...

As winter fades, even a bit of sunshine is something to celebrate. For one group of plants, spring’s first sunny days are essential for their survival. They only have a few weeks to catch the rays ...

Pennsylvania’s climate is perfect for growing spring-blooming bulbs. We have plenty of winter cold for favorites such as tulips and daffodils to get their needed “chill” time, then we usually have a ...