This incredible optical trick convinces your brain to see a green tree due to an effect called the afterimage illusion. So, what colours do you see?

NASA found another holiday-themed star cluster last year Officially called NGC 2264, the "Christmas tree cluster" is located about 2,500 lightyears Earth in our own Milky Way galaxy.

Either way, many said the tree was the last thing they were looking at with Green on the screen. "Nobody is looking at your Christmas tree, sir," one fan points out.

On Sunday, Dec. 1, The Kardashians star, 45, shared a carousel of photos that showed her home filled with Christmas decorations and multiple green and red trees of all shapes and sizes.

Local News NASA uncovers Milky Way's Christmas Tree star cluster The festive holiday came early for the star cluster, which is 2,500 light-years away!

Clockwise from top left: 15-inch Abaca Christmas tree; Christmas Eco Jute Bag; Abaca star parol wreath; Abaca hanging bear; Kea Coron rectangular basket medium; and Hosh bamboo bath towel plum ...

While there may be no definite consensus on how red and green became the official colors of Christmas, there are a few interesting explanations.

A barred owl descended down the chimney of an Arlington, Va. home, and made a perfectly seasonal perch atop a Christmas tree, an amazing photo shows. The pic, which went viral online, captures the ...

WEST STOCKBRIDGE, Mass. — A giant Norway spruce that will serve as this year’s Rockefeller Christmas tree was en route to New York City on Thursday from its tiny Massachusetts hometown ...

That’s because New Haven is getting ready to light its Christmas tree on the New Haven Green. The tree is a 55 foot tall Norwegian Spruce, donated by a family in Wallingford.

A giant Norway spruce that will serve as this year’s Rockefeller Center Christmas tree was en route to New York City on Thursday from its tiny Massachusetts hometown. The 74-foot-high (23-meter ...