Mark Thomson, the new head of Europe's physics laboratory CERN, voiced confidence Tuesday about raising the billions of dollars needed to build by far the world's biggest particle accelerator.

Traveling to the end of space sounds like science fiction, but physics places strict limits on how far we can go. This video ...

Researchers developed a method to reduce uncertainty in cosmic birefringence, sharpening the angle tied to parity violation, ...

Dark matter is one of the greatest mysteries in physics. Here’s how scientists successfully mapped the invisible substance in ...

A newly identified quasar shows sustained growth beyond the Eddington limit, prompting new examination of accretion physics, radiation trapping and jet activity in early supermassive black holes.

The six-year Dark Energy Survey has released its full results, showing that two leading models of cosmology are equally valid ...

Published in Nature Astronomy, the new map uses fresh observations by the James Webb Space Telescope, aimed at a well-studied ...

An early black hole feeds too fast—yet still blasts X-rays and radio jets.

In the course of his life, Galileo clashed with other philosophers and religious figures who were committed to the geocentric ...

Cosmic strings and Einstein’s relativity raise the theoretical possibility of time travel within modern physics.

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most massive black holes in the universe." ...

The most ambitious attempt to do so was the Dark Energy Survey (DES), an international collaboration that scanned a huge ...