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 expanding, and while that fact is fascinating, it also creates a question that trips people up: if it’s growing, what exactly is it expanding into? Our brains are used to picturing ...

New research that used imaging from the James Webb Space Telescope gives credence to a scientific theory that says the Milky Way is inside of a black hole Charlotte Phillipp is a Weekend ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Scientists around the world are observing its months-long journey to learn more about ...

"It would be amazing if a simple rotation of the universe was the origin of dark energy." What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse?

For decades, philosophers and physicists alike have speculated that our entire existence might be nothing more than an advanced simulation. But new research from the University of British Columbia ...

"If these results are confirmed, it would mark a major paradigm shift in cosmology since the discovery of dark energy 27 years ago." As if dark energy weren't already mysterious and baffling enough, ...