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 ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...

Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The universe started with a bang, but how will it end? Scientists have a few theories. | Credit: ...

A revolutionary new model, gaining traction among physicists, suggests our entire universe might be a vast, expanding black hole that emerged from the collapse of a larger, older "parent" universe.

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 ...

Web site detailing some of the discoveries of the size and content of the universe. CCSS.ELA-Literacy.RL.K.1 CCSS.ELA-Literacy.RL.K.7 CCSS.ELA-Literacy.RL.K.10 CCSS ...

Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it won’t be happy. Dark Energy Spectroscopic Instrument (DESI) collects data ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when all of space, time, and energy were born from a single infinitely dense ...

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 a pretty good idea of how our universe began: According to the Big Bang theory, an infinitely small, dense point rapidly expanded 13.8 billion years ago, and the universe has been ...