When discussing the scale of the universe, we’re immediately faced with an intriguing question: are we tiny beings, or is the ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

Scientists have found a remarkably small yet bright object from the early universe that doesn’t make sense in our existing models of how stars and galaxies formed, even our own Milky Way. That means ...

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 ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Earth and the surrounding Milky Way galaxy may be sitting inside a cosmic void—a "mysterious giant hole"—that could be speeding up the universe's expansion in our region compared to others, This is ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Why didn’t the universe annihilate itself moments ...

“You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have proclaimed, “but if you’re lucky, you will discover happiness in your own ...