Astronomers have recently identified a cosmic structure so vast that it challenges our understanding of the universe’s scale.

Explore the observable universe’s vast horizon, cosmic expansion, and theories of infinite space. Discover how humanity ...

Black holes, regions of spacetime in which gravity is so strong that nothing can escape, are intriguing and extensively ...

"Even though it's the first time we've seen a galaxy like this, we think that there could be many more out there." ...

Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

Scientists in Greece have laid out a mathematical framework to help explain a so-far-unsolved gap in our understanding of how ...

An analysis of millions of galaxies found that the universe is barreling towards what is literally a much darker future.

Perspective is everything, but these curious maps might give a whole new approach to the weird and wonderful world that we ...

If the law wreaks havoc on the financial system, as seems highly likely, that name will become a grim joke: What genius ...

The powerful coronal mass ejection would have likely destroyed the atmospheres of any potentially habitable planets nearby ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

I believe we are made of two things: love and light. Perhaps that sounds like wispy new-age speak, but my personal sense of ...