Four-wave mixing A weak optical signal (red) from a spacecraft transmitter can be amplified noise-free when it encounters two pump waves (blue and green) in a receiver on Earth. (Courtesy: Chalmers ...

A supposedly stable belt of radiation 7000 km above the Earth’s surface may in fact be producing damaging bursts of ...

Different neutron states could explain why different experiments produce different figures for how long neutrons survive ...

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Cloudy with a chance of axions: An axion cloud around a neutron star. While some axions escape the star’s gravitational pull, many remain bound to the star. Over a long period of time, a cloud of ...

Siloton’s handheld OCT system could soon be used for home-based monitoring of retinal disease, and may one day find its way onto future space missions ...

Paliya explains why it is essential for researchers to know about prizes such as the IOP highly cited paper award ...

Particle pioneer: Mark Thomson will become the 17th director-general of the CERN particle-physics laboratory when he takes up the position in 2026 (courtesy: CERN) Three candidates were shortlisted ...

From hunting for evidence of subatomic particles to speeding up the diagnosis of disease, generative artificial intelligence (AI) is transforming science and led to the 2024 Nobel Prize for Physics.