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 ...

Discover how JWST's groundbreaking observations of the oldest galaxies reveal new insights into early galaxies discovery and transform our understanding of galaxy formation.

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 ...

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

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 ...

Astronomers have recorded the most luminous flare ever emitted by a black hole—an event so extreme it briefly outshone the ...

See you in a quadrillion years or so. Don’t forget to pack zillions of tons of snacks! By Randall Munroe The edge of the observable universe is about 270,000,000,000,000,000,000,000 miles away. If you ...

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 ...

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 ...

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 ...

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

Many astronomers have wondered where the center of the universe is. If the Big Bang created the entire observable universe, then it stands to reason that the event had a point of origin. As it turns ...