Dark energy and black holes are two of the most mysterious topics when it comes to space, but they might actually be linked. And causing the universe to expand.

After accounting for star age at time of explosion, researchers say our universe may be slowing down. In A Nutshell Younger ...

A rendering of Dark's Interceptor. Credit: Dark LYON—Dark, a French startup developing a vehicle for the capture of low-Earth-orbit objects, has ceased operations, the company announced Oct. 8. Dark ...

You could swim through the deepest voids and encounter a single hydrogen atom in an entire football field's worth of space. At the very largest scales, galaxies are not scattered around randomly.

This quiz dives into the mysterious world of dark matter — what we know, what we don't, and how scientists are chasing shadows across the cosmos. From galaxy rotation curves that defy Newton's laws to ...