Using the James Webb Space Telescope, astronomers have mapped the "cosmic web" of galaxies, the largest structure in the ...

Inside some very special black holes, there may be a boundary called a Cauchy horizon. Columnist Leah Crane explores the ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. About a century ago, scientists were struggling to ...

Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.

The map traces back to the point when the universe was 1 billion years old.

The universe might not expand forever. New data predicts a "Big Crunch" collapse, giving space-time a definitive expiration ...

A new dark energy model suggests the universe may eventually stop expanding and collapse in a giant Big Crunch.

In her second pop-science book, theoretical cosmologist Chanda Prescod-Weinstein returns to her celestial and cultural roots.

Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time and the latter a point in space, but in both cases the normally ...