Physics World is delighted to announce its Top 10 Breakthroughs of the Year for 2025, which includes research in astronomy, ...

If you haven't received the e-mail in 24 hours, please contact [email protected] ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Assistant Professor Jackson Samuel Ravindran and a team of Computer Science majors have transformed local history into an ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

In 2008, a team of UCLA-led scientists proposed a scheme to use a laser to excite the nucleus of thorium atoms to realize extremely accurate, portable clocks. Last year, they realized this ...

Despite soaring progress, scientists at AI’s largest gathering say key questions about how models work and how to measure ...

Let’s start with the Lawrence Livermore National Laboratory’s National Ignition Facility (NIF)—arguably the largest, most ...

Researchers at HZDR have partnered with the Norwegian University of Science and Technology in Trondheim, and the Institute of ...

Discover how to craft a simple electric motor using everyday household items in this detailed, step-by-step tutorial. Follow ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...