This Christmas, astronomers are highlighting a spectacular region of space that looks remarkably like a glowing holiday tree. Known as NGC 2264, this distant star-forming region sits about 2,700 light ...

As Mariah likes to say, "It's TIIIIME." The Rockefeller Center Christmas Tree has been lit and Christmastime is officially here! After three hours of show-stopping performances, the massive tree was ...

This year's tree is a 75-foot Norway spruce from East Greenbush, New York. The Rockefeller Center tree is lit and the holiday season is underway in New York City. Host Reba McEntire, Marc Anthony, ...

Arrayed with a simple triangular outline above S Monocerotis, the stars of NGC 2264 are popularly known as the Christmas Tree star cluster. Image Credit & Copyright ...