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

The origin of our Universe remains one of the greatest enigmas of science, a question that seems to defy the limits of our ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

For the past decade, gravitational wave astronomy has opened our eyes to amazing cosmic phenomena thanks to LIGO, the Laser ...

The Universe is home to celestial bodies of staggering dimensions. VY Canis Majoris is a striking example. This star, located ...

DESI observations suggest black holes may generate dark energy by consuming stellar matter. The idea resolves puzzles about neutrino mass and cosmic expansion. These are remarkable times for probing ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. About a century ago, scientists were struggling to ...

I was reminded recently that we seem to be trapped in a Catch-22 Universe. What makes it a Catch-22 is that no one is qualified to penetrate the mystery of the cosmos without skill in advanced ...

“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

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