This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Whether the universe will "end" at all is not certain ...

Andromeda and the Milky Way merge. NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger Share Curious Kids is a series for children of all ages. If you have a question you’d ...

Depending on how you look at it, the universe might not have an "end," after all. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article ...