Scientists believe there could be an “anti-universe” somewhere out there that looks like the mirror image of our own universe, reciprocating almost everything we do. If this theory holds true, it ...

In a first, scientists have recreated the formation of the first ever molecules in the universe to learn more about early ...

While there's no shortage of mysteries surrounding the formation of the universe, scientists may have figured out the answer ...

For decades, scientists suspected this ion played a critical role in cooling the early cosmos, helping the first gas clouds ...

A galaxy in the early universe was rich with oxygen, astronomers have found. The discovery raises questions about how early ...

What if the Big Bang wasn’t truly the beginning? A team of cosmologists is using the power of supercomputers to push past the ...

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical ...

One second in, the Universe had supercooled to just 10⁹ (one hundred million) kelvin. Once about 10 seconds had passed, electrons emerge, followed by the first photons.