A huge solar flare flashes in the middle of the sun on Sept. 6, 2017. A separate image of the Earth provides scale.
At a time in the sun's cycle when space weather experts expect less solar activity, our star is going bonkers with solar flares and coronal mass ejections. What effects will Earth feel?
An artist’s illustration of Kappa Ceti whose stellar winds are 50 times stronger than our sun’s. Any Earth-like planet would need a magnetic field to protect its atmosphere if it was to stand a chance of hosting life.
In the search for life on other planets in the universe we need to find the right kind of star, and it needs to have the right kind of space weather.
Recent Martian findings are just the latest discoveries of aurora on other planets, both in and out of our solar system.
Hurricane Arthur photographed by ESA astronaut Alexander Gerst.
Astronauts living on the ISS get to experience the wonders of the universe's natural phenomena like no one else.
When the sun flares, space weather is on its way to Earth.
Our power grid infrastructure on Earth is more vulnerable to space weather than previously thought – with susceptibility in more regions and even during quiet geomagnetic periods.
Aurora Australis as seen from Victoria.
Alex Cherney, Terrastro Gallery
The southern lights that put on a show recently across parts of Australia are easily explained by science. But some cultures have their own explanation for these dazzling lights in the sky.