The Latest Breaking News from Radiation

Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged geomagnetic storm in May 2024, including a never-before-seen structure that is "likely still there today," researchers say.

The creation of the belts, and others like it in the future, are a potential new danger to astronauts and satellites headed to geostationary orbit and beyond.

When details about a scientific study in the 1960s became public, there was shock, outrage and anxiety. But exactly what happened?

Scientists have been arguing about a curious topic recently: Did temperatures on the moon dip due to the world's Covid-19 lockdown?

Nuclear bunkers aren't a foolproof way to stay safe during a nuclear attack. Here's why.

Scientists at the California Institute of Technology have taken a major step toward developing lightsails that could one day carry tiny spacecraft to distant star systems.

Scientists measured a chorus wave emerging from an unexpected place, and confirmed a key piece of a theory about how these strange waves form.

There are trillions of charged particles – protons and electrons, the basic building blocks of matter – whizzing around above your head at any given time. These high-energy particles, which can travel at close to the speed of light, typically remain thousands of kilometers away from Earth, trapped there by…

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and closed-loop systems and the hazards of space radiation.

When you’re in a car, train or bus, do you choose a seat to avoid being in the sun or do you like the sunny side?