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Take a tour of 11 White House Christmas trees

A relative of one of the most famous trees of all time is hiding in plain sight

NASA finds debris of India's lost lunar lander

Why good Christmas trees might be hard to find

Meteorological winter arrives with a roar in North America

8 cubicle dwellers with serious Christmas spirit

When you give cash to those in need, you're giving the whole community a boost

8 creative techniques to keep coral reefs alive

The reason why women are freezing at work

Astronomers discover galaxy with 3 supermassive black holes

There's a new apple in town

Mystery of the solar-powered ghost ship that washed ashore 3 years ago finally solved