The bold question-askers at What If investigate what would happen if the sun were smaller than Earth. Yamamoto throws first World Series complete game since 2015 as ...

The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow. Sunspot region 4168 is certainly making quite a name for itself! Earlier this ...

Scientists used the James Webb Space Telescope to check if another Earth-sized planet orbits Proxima Centauri, our nearest ...

The image allows us to see our planet's brightness from space. When the U.S. National Oceanic and Atmospheric Administration's (NOAA) weather satellite GOES-19 turns its gaze toward the sun, ...

For the first time ever, astronomers have spotted a powerful coronal flare (cme) from a star other than the Sun.

An interstellar comet that entered our solar system for a brief visit this year just made its closest pass of the sun, and ...