'Something very fundamental about the nature of the universe changed during this time.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When it ...

Cosmic rays are one of the greatest challenges for space travel and pose a considerable risk to humans and materials. For the first time on European soil, an international research team in ...

Cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed from a high-energy to low-energy environment—the Big Bang. Today, scientists believe cosmic ...