Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely ...

An international research team of the A1 Collaboration at the Mainz Microtron (MAMI) of Johannes Gutenberg University Mainz ...

A decade-long effort to measure one of physics’ most fundamental constants culminates in a moment of uncertainty and revelation.

Two extremely precise experiments agree with a previously shocking measurement of just how big the proton is, which may help ...

The string of cases has fueled online speculation and drawn attention from Congress, federal agencies and President Trump.

The cosmological constant has been a problem in physics since Einstein, but new research may show why it takes the value that ...

The 2026 Breakthrough Prize in Fundamental Physics has been awarded to the Muon g‑2 collaborations at CERN, Brookhaven National Laboratory, and Fermilab for achieving the most precise measurement of ...

Nobel Prize-winning physicist David Gross has issued a stark warning that humanity stands a slim chance of surviving another ...

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

Satellite collisions in orbit could trigger a catastrophic global chain reaction, potentially halting space exploration, ...

Members of the University of Liverpool’s Particle Physics Research Frontier and accelerator scientists associated with the ...