Right above you is the sky – or as scientists would call it, the atmosphere. It extends about 20 miles (32 kilometers) above the Earth. Floating around the atmosphere is a mixture of molecules – tiny ...

What if outer space isn’t empty, but behaves like a thick, slow-moving fluid? Anew study suggests just that, and it could help solve a puzzling mismatch between current models of the universe and ...

A peculiar theory could upend our understanding of the universe. The post Outer Space Is a Viscous Fluid, New Paper Claims ...

Using the Subaru Telescope's wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny ...

What new methods can astronomers develop to image distant galaxies while enabling them to learn about their stars and other celestial objects? This is what a recent study published in Astronomy and ...