A superflare is an exceptionally powerful electromagnetic emission from a star, releasing energy equivalent to a trillion ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

The nearest star to our Sun, Proxima Centauri, is 4.2 light-years away, so remote that it would take even the fastest spacecraft ever built more than 7,000 years to reach. Everywhere we look in ...

On April 8, 2024, the sun was totally eclipsed by the moon across parts of the U.S., Mexico and Canada. Described as maybe ...

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. Sunspots, which are temporarily darkened areas on the surface of the sun, are the result of ...