Fall isn"t just marked by the calendar. Each September, Earth"s subtle tilt brings the autumn equinox—one of two times a year when day and night are nearly equal in length. It marks the beginning of fall in the Northern Hemisphere. From solar alignments to changing leaves, nature offers its own quiet signals that the season has shifted. While for most of us it may seem like just another day, ancient cultures paid close attention to this change. Sites like Chichén Itzá in Mexico and England"s Stonehenge were designed to align with the rising or setting sun during equinox days.
Autumn equinox
Today in History
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The road less taken?
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Þorrablót, Icelandic midwinter festival
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Wheatear, Peak District National Park, England
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Greater flamingos, Lüderitz, Namibia
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Happy winter solstice!
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A street filled with sakura trees
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An endless stretch of sky
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You might be a red-necked grebe if…
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Great Smoky Mountains National Park, Tennessee, USA
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Champaka Sarasi, Shivamogga, Karnataka, India
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An island crossroad of culture
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Colourful house in Olinda, Pernambuco, Brazil
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A future built on the past
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Butterfly, fly away
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Something to ‘bee’ thankful for
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Out of this world
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Love is in the snow
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Northern hawk-owl
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Colosseum, Rome, Italy
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International Tiger Day
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Groundhog Day
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The largest gypsum dune field
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Golden larches and Prusik Peak, Enchantments, Washington
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English National Ballet performing The Nutcracker
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Preserving Alaskas natural beauty
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Grand Prismatic Spring at Yellowstone National Park, Wyoming, USA
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World Migratory Bird Day
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Juvenile sunbittern displaying at nest, Ecuador
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For Mother’s Day, we salute these marsupial moms
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Yoho National Park, British Columbia
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