Stars form in the universe from massive clouds of gas. European Southern Observatory, CC BY-SA For decades, astronomers have wondered what the very first stars in the universe were like. These stars ...

Some newly found stars in a small galaxy called Sextans A are forming without some of the usual "ingredients," raising questions about how the early universe evolved.

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling, with stars forming first and black holes growing later. That picture is ...

Astronomers have identified a rare type of binary star system containing a rapidly spinning millisecond pulsar and a helium star companion, formed via common envelope evolution. Although such systems ...

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming stars at an intense rate from collapsing clouds of dust. Reported in ...

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 ...

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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 ...

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 ...

Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected. When you purchase through links on our site, we may earn an affiliate commission.