Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

A decades-old idea is quietly regaining attention in theoretical physics: ancient structures embedded in the universe’s ...

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.

If the universe was a soundtrack, we have been humming it our whole life. Every atom in our body, every star in the sky, every beam of light is part of a piece of music that never stops playing.

We may soon find out whether we live in an axiverse. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What if I told you that our universe was ...