Rob Coyne receives funding from the National Aeronautics and Space Administration (NASA) and the US National Science Foundation (NSF). About a century ago, scientists were struggling to reconcile what ...

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 ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form.

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, falling apart on cosmic scales. If you’re on the surface of Earth—and I’m ...

Add Yahoo as a preferred source to see more of our stories on Google. About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general ...

Neutrinos are one of the most elusive and omnipresent particles in the universe. Their strange properties may explain why the amounts of matter and antimatter in our universe aren’t equal, as most ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, stellar formation and galaxy evolution. When you purchase through links on our ...

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.

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 ...

Scientists have shared a new theory about how the universe might end, not by fading away slowly, but by collapsing in on itself in what they call a “reverse Big Bang.” The idea suggests that after ...