New model shows extremely massive stars, over 1,000 solar masses, shaped the birth and early evolution of the universe's ...

The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

An international team led by ICREA researcher Mark Gieles, from the Institute of Cosmos Sciences of the University of ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

In a world first, plasma “fireballs” have been created in the lab setting using the Super Proton Synchrotron accelerator at ...

Physicists show knotted cosmic strings may have dominated the early universe before collapsing to create matter—a theory ...

The flare came from a supermassive black hole that's 10 billion light years away, making the flash the most distant one ...

One of those ground-based telescopes is the Rubin Observatory, named after famed astronomer Vera Rubin. Unlike other ...

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

Explore Terrifying Yet Beautiful Facts About Space and Us. WATCH OUR OTHER VIDEOS: ►25 Universe Theories That Will Keep You ...