Astronomers at Leiden University have detected rare isotopes of carbon and oxygen in our neighboring stars for the first time ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its ...

A new theoretical study proposes a radical idea in the search for dark matter—using the surface of Ganymede, Jupiter’s ...

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

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

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

And it is a story told mostly in the dark. That story, researchers agree, began 13.8 billion years ago, when the universe emerged from the Big Bang as a fiery fizz of particles and energy.

Helium is the second most common element in the universe, after hydrogen, and neon ranks fifth or sixth. And in interstellar space, where extreme temperatures and densities are the rule, noble ...

Helium hydride’s origin also marked the beginning of a chain reaction that led to the formation of molecular hydrogen (H2), ...

A team of international scientists who are part of the Cosmic Evolution Survey program (COSMOS) created and released the map of the universe Thursday, June 5. Compiled from more than 10,000 images ...

He's a member of the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX), is studying dark energy from an earlier time in the universe's existence than DESI. HETDEX is also focused on sound ...