The observable universe contains so much matter and so many planets that, if it extends infinitely, identical copies of ...

Astronomers have recently identified a cosmic structure so vast that it challenges our understanding of the universe’s scale.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

WASHINGTON — Using data from NASA’s Wilkinson Microwave Anisotropy Probe (WMAP), scientists have identified an unexpected motion in distant galaxy clusters. The cause, they suggest, is the ...

The Universe is big, as Douglas Adams would say. The most distant light we can see is the cosmic microwave background (CMB), which has taken more than 13 billion years to reach us. This marks the edge ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...

Imagine being able to gaze at the very edge of the observable universe and witness a dazzling array of galaxies. NASA has now made this extraordinary experience possible by releasing an expansive map ...

Black holes, regions of spacetime in which gravity is so strong that nothing can escape, are intriguing and extensively ...

Scientists have found a way to use the Hubble Space Telescope as an extremely precise galactic tape measure, multiplying our previous capabilities by 10. This increase will result in a more accurate ...

The universe suddenly looks a lot more crowded, thanks to a deep-sky census assembled from surveys taken by NASA’s Hubble Space Telescope and other observatories. Astronomers came to the surprising ...

Every good map has a “You are Here” marker. In this extraordinary version, said marker is at the very bottom of the map, and represents the entire Milky Way—in ...