The James Webb Space Telescope launches astro...

On 26 April 2026, it will be 40 years since the explosion at Unit 4 of the Chernobyl Nuclear Power Plant – the worst nuclear accident the world has known. In the early hours of 26 April 1986, a badly designed reactor, operated under intense pressure during a safety test, ran out ...  Show more

In this episode of Physics World Stories, host Andrew Glester explores the fascinating hunt for pristine comets – icy bodies that preserve material from the solar system’s beginnings and even earlier. Unlike more familiar comets that repeatedly swing close to the Sun and transfor ...  Show more

The launch of the James Webb Space Telescope is only days away. Scheduled for lift off on 22 December, the largest and most complex space observatory ever built will be sent to an orbit beyond the moon. James Webb is so huge that it has had to be folded up to fit in the rocket. T ...  Show more

Soon the highly anticipated James Webb Space Telescope will blast off into space, hurtling almost a million miles away from Earth, where it will orbit the Sun. Decades in the making, scientists hope its mission will last a decade and provide insights into all kinds of things, inc ...  Show more

The James Webb Space Telescope is by far the most powerful space-based telescope ever deployed by the United States. But it is only one instrument, and scientists all over the world have to share. The JWST's managers received more than 1,600 research proposals for what the telesc ...  Show more

We're entering a new era of astrophysics. The James Webb Space Telescope is helping scientists test existing ideas and models of how the universe was created—on a whole new level. This telescope is sending back images of galaxies forming under a billion years after the Big Bang—w ...  Show more