The fate of the cosmos may be a bit different than previously expected. For years, scientists have talked about how the universe is always expanding — constantly moving outward, never stopping.

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

A new AI-powered method is changing how scientists measure the universe. Developed by researchers at the Flatiron Institute and their partners, this technique offers a far more accurate way to ...

The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

In 1980, an ice climbing accident left one man dead - but what he saw changed his life forever. This video shares his ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Seconds after the Big Bang, the newborn universe gave rise to the first elements—ionized forms of hydrogen and helium. These particles combined, forging helium hydride—the first ever molecule. It ...

A University of Colorado Denver engineer is on the cusp of giving scientists a new tool that can help them turn sci-fi into reality. Imagine a safe gamma ray laser that could eradicate cancer cells ...