Dark energy and other odd darkness have been grabbing headlines in Ars' science coverage at in recent days. This time, we report on a new paper that's set to be published in an upcoming issue of ...

A new analysis of how galaxy clusters evolved over the 13.8-billion-year history of the cosmos could help solve a long-standing tension surrounding the 'lumpiness' of our universe's matter content.

Engineers have designed a compact, battery-powered radio probe that could help unlock the secrets of alien planets. The proposed small probe, known as the Gravity Imaging Radio Observer (GIRO), would ...

"Maybe the cosmologists can relax a bit now." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new analysis of how galaxy clusters evolved over ...