About 13.8 billion years ago, the origin of the universe began with the Big Bang. Scientists say all space, time, matter, and ...

In this video, we explore the vastness of the universe and attempt to quantify its size. We delve into the concepts of cosmic ...

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.

Since conventional explanations have failed to pony up dark matter, one physicist is looking towards the unconventional. In a series of two papers, physicist Stefano Profumo of the University of ...

The observable universe spans 93 billion light years, but scientists believe it’s at least 400 times larger. If the universe has an edge, it’s expanding into nothingness, challenging our understanding ...