Light

Eye strain from extended screen time is a growing problem, but evidence suggests that blue light is not the cause, and blue-blockers are not the solution

Researchers in Australia have resolved a fundamental design challenge in next-generation perovskite solar cells, bringing their widespread use a step closer

Stars helped shaped human culture for thousands of years, but we see far fewer of them now than our ancestors or rural friends; now a citizen science program will map light pollution across Australia

From watching the heavens to discovering waves of light, relativity and entropy, understanding the nature of time has been a major human endeavour

Artificial lights have brightened the night in cities across the world and urban wildlife is being forced to adapt – but what happens when, after 3.5 billion years of evolution, light invades what should be darkness?

Excitons are formed when light is absorbed by electrons within a molecule, and we’re just beginning to understand the role they could play in meeting the world’s future energy needs

Humans are altering the environment at an unprecedented rate and it’s tricking animals into ‘ecological traps’ where a seemingly attractive habitat hides a significant risk

… and why we can use it to power a renewable future for all of us

Our circadian rhythms refuse to be ruled by daylight savings, which is why things may still feel off-kilter a week after the switch

While artificial lighting keeps out streets safe at night, urban planners need consider the impact of “light trespass”, on our health