The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A major milestone with the Vera C. Rubin Observatory has been reached with the installation ...

FRISCO — Something was different in the Stars’ front office when this year’s trade deadline approached. The Stars are used to being buyers ahead of this day. During their back-to-back ...