Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a near-perfect alignment, resembling a string of cosmic pearls in the sky.

The location of galaxies across our universe don't randomly exist. Instead, they are connected by a threadlike arrangement with massive barren "oceans" of dark matter in between them. Known as the ...

The universe began with a bang—an explosion so intense, it forged the fabric of space and time itself. This pivotal moment, known as the Big Bang, marked the birth of everything we see, know, and are.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As cosmic strings — exotic wrinkles in space-time left over from the earliest moments of the Big ...

Paul M. Sutter is an astrophysicist at The Ohio State University, host of Ask a Spaceman and "Space Radio," and author of "Your Place in the Universe." Sutter contributed this article to Space.com's ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...

An idea discarded more than a century ago, conceived by Lord Kelvin when he imagined atoms as knots in the ether, has resurfaced at the heart of a new theory that seeks to explain why the universe is ...

While astronomers know that the cosmic web exists, how it evolved into what it is today largely remains a mystery. However, using NASA’s James Webb Space Telescope (JWST), a team of astronomers have ...