A solar eruption has blown a massive hole in the sun's atmosphere, causing temporary radio blackouts and possibly triggering a northern lights display tomorrow. Scientists recorded an M5.7-class solar ...

For observers on Earth, the sun appears as a bright, familiar disk—but what we see is only half the story. Like the moon, one half of the sun is permanently hidden from our direct view: the far side ...

A spacecraft image shows the Sun as a patchwork of yellow and black. Many thin, white arcs extend away from the brighter yellow patches on the Sun and loop back downward to other parts of the Sun.