Cosmic Horizon theory suggests heaven exists 273 billion trillion miles from Earth where galaxies move at light speed and ...

Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

The most direct probe of λ3 comes from Higgs-boson pair production (HH). HH production happens most often by the fusion of ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

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 ...

Here’s what you’ll learn when you read this story: Mathematical evidence indicates that our universe is flat, but it could be infinitely big, as well. You can figure out if an object is flat with a ...

The universe is generally referred to as infinite, unknown, and limitless. With over 2 trillion galaxies and millions of stars and planets, the universe is so enormous that it stretches the boundaries ...

"It would be amazing if a simple rotation of the universe was the origin of dark energy." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is ...

A surprising new paper suggests that the universe's expected lifespan is just 33 billion years, and that the cosmos will start dying in less than a third of that time. However, this is only one ...

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 ...