We've all looked for shapes in Earth's clouds. But what about shapes in space clouds? If you glance at NGC 2264, you'll see very quickly why this cluster of stars is nicknamed the "Christmas Tree ...

Astronomers have found a new way to detect one of the oldest features of our universe. These Baryon Acoustic Oscillations, or BAO, are subtle wrinkles that flowed through cosmic matter during the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA/CXC/SAO; Optical: Clow, M.; Image Processing: NASA/CXC/SAO/L. Frattare and K. Arcand ...