The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how ...

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical elements, which enriched the universe and allowed the next generations of ...

Over the course of billions of years, the universe has steadily been evolving. Thanks to the expansion of the universe, we are able to "see" back in time to watch that evolution, almost from the ...

Stars form in massive clouds of gas called molecular clouds. As they form, they accrete gas from these clouds, and as the ...

At the heart of our galaxy lies a cosmic puzzle: although the Galactic Center is packed with star-making material, massive stars form there surprisingly slowly. Using NASA's retired SOFIA observatory, ...

Were massive stars in the early universe born in pairs? A new study from the School of Physics and Astronomy at Tel Aviv University reveals that most massive stars formed in the early universe were ...

Astronomers have uncovered more than 400 pairs of star clusters in our Milky Way—cosmic siblings that were born together or ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. For decades, astronomers have wondered what the very ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Luke Keller, Ithaca College (THE CONVERSATION) For decades, astronomers have wondered ...

Luke Keller does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...