The sun, our life-sustaining star, is a source of light, warmth, and energy. But what if it had a dark side? What if the sun, ... Read more The post Could a Superflare From the Sun Permanently Disrupt ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

Astronomers used ALMA to observe Proxima Centauri and found frequent, intense flares that could destroy atmospheres of nearby ...

The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

A partial solar eclipse on Saturday will make it look as if the moon has taken a bite out of the sun over parts of North America, Greenland and Northern Europe.

Earth owes its favorable climate to a similar process that happened about two billion years ago with the first oxygen-producing microbes. Radiation from the sun helped Earth's fledgling life ...

Asteroids’ orbits around the sun may put them in collision paths with inner planets. We may have had a near-miss, but ...