Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If they're right, cosmology will need a new model. When you purchase through links ...

Forget about turtles; for all practical purposes, it’s really particles all the way down. Consider the seemingly simple matter of their size, the very thing that makes them so alien. We’re typically ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...

The universe has been expanding for 13.8 billion years, but this may not go on forever. According to some theories, we may be accelerating toward a cataclysmic end. When you purchase through links on ...

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.

Many people wonder: if the universe is expanding, is there a point in space that serves as the “centre”? It seems intuitive to ask, how can something expand if there’s no specific starting point? The ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Our vast universe might not be infinitely expanding after all. Some ...