An artist's impression of a flare from Proxima Centauri, modeled after the loops of glowing hot gas seen in the largest solar flares. Exoplanet Proxima b is shown in the foreground. Proxima b orbits ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Imagine stepping outside on a clear day and looking up at the sun. However, that isn't our sun; ...