The president doubled down on his attacks against energy efficiency efforts implemented by the previous administration.

President Donald Trump is ordering his team to redo standards for toilets, showers, light bulbs and other consumer products.

Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

Researchers have created a light-manipulating AI chip smaller than a grain of salt that can harness light to power ...

Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...

Duquesne Light is offering free home energy audits to help residents identify and fix areas where heat escapes, potentially ...

A tiny chip on the tip of a fibre-optic cable can passively harness light to perform AI computations, dramatically reducing ...

Meridian Energy's Ruakākā solar farm will include 250,000 solar panels across 200ha, but a 9ha area of wetlands will now be ...

Red light therapy, also known as LED therapy, is trending for skin care. Here's what to know about it, according to a ...

A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

Researchers from the University of Bayreuth and the Max Planck Institute for Dynamics and Self-Organization in Göttingen have investigated the movement patterns of unicellular, hydrogen-producing ...

U.S. refiner Delek has the option to run more light, sweet crude oil if it is economical to do so, CEO Avigal Soreq said on ...