Add Yahoo as a preferred source to see more of our stories on Google. Jun. 10—If you think you've been seeing an invasion of helicopters this year, you're not imagining things. Southern Minnesota ...

Add Yahoo as a preferred source to see more of our stories on Google. Winged seeds called samaras grow on maple trees. These are seeds from the Japanese maple, _Acer palmatum_. AlessandroZocc/iStock ...

Let's watch how a maple seed germinating and growing into a young tree over this 138-day time-lapse. For cold-stratification, maple seeds were wrapped in a moist paper-towel and chilled in the ...

SIOUX FALLS, S.D. (KELO) – You may have noticed something different about the maple tree seeds this year: they’re pink. In the past few weeks, maple trees have been dropping samaras, or more commonly ...

You may have noticed lots of those helicopter maple tree seeds filling up rain gutters or piling up on the sidewalk this year. State Forester Tivon Feeley says the large amount of seeds created a ...

MINNEAPOLIS (WCCO)-- Whirligigs? Helicopter seeds? Or perhaps the scientific name – samaras -- for the silver maple seeds flying in yards this spring. Whatever you call them, some WCCO-TV viewers have ...

PASADENA, Calif.—The twirling seeds of maple trees spin like miniature helicopters as they fall to the ground. Because the seeds descend slowly as they swirl, they can be carried aloft by the wind and ...

While walking to my car, I noticed that the wind was full of some sort of seeds fluttering, whirling, and spinning to the ground. My car was covered with the small reddish and yellow seeds. They ...

Norway maple trees are quite common in the U.S., but they're actually an invasive species that can mess with local ecosystems ...

If you think you’ve been seeing an invasion of helicopters this year, you’re not imagining things. Southern Minnesota maple trees are producing a copious amount of seeds that flutter from their ...