Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and that black holes appeared later. But some have proposed that it went the other ...

UW-Milwaukee physics and astronomy assistant professor Lia Medeiros explains gravitational waves and the role UWM played in discovering them.

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

Cosmologists can now explore data faster than ever before with a new emulator. As astronomers continue to uncover the ...

Astronomers have assumed for decades that the Universe is expanding at the same rate in all directions. A new study based on data from ESA’s XMM-Newton, NASA’s Chandra and the German-led ROSAT X-ray ...

“The first thing we know about the universe is that it’s really, really big,” says cosmologist Michael Turner, who has been contemplating this reality for more than four decades now. “And because the ...

The UC Davis department of physics and astronomy, together with the College of Letters and Science, will host a free reception and public lecture on Tuesday, Nov. 4 from 6 ...

Join the celebration of International Astronomy Day by looking up at the spectacular southern night sky, engaging in exciting ...

The James Webb Space Telescope zoomed in on galaxy GN-z11, which existed just 430 million years after the Big Bang, to reveal what may be some of the oldest stars in the universe. When you purchase ...

A panel of physicists and astronomers grapple with possible cracks in our modern creation myth, the standard model of cosmology. JWST’s image of spiral galaxy NGC 628, which is 32 million light-years ...

You say in your article that modern, scientific cosmology didn’t get started until roughly the 1920s. What happened then? It’s not as though nothing happened earlier. People have been speculating ...