Just in time for Christmas, the space agency released a new image ... The young stars emit X-rays that appear as blue and white lights that can be detected by NASA’s Chandra X-ray Observatory.

Kennedy's presidency. The halls were decked in the White House's Blue Room for President Lyndon B. Johnson's holiday card this year. On the same year the National Christmas tree was only partially ...

"Our [Chandra X-ray Observatory] recently spotted the blue-and-white ... in the "Christmas Tree Cluster" range in age between one and five million years old, according to the space agency.