Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: NASA/SDO/HelioViewer| edited by Space.com's Steve Spaleta ...

The U.S. military says it has boarded a sanctioned oil tanker in the Indian Ocean. Defense Secretary Pete Hegseth said Monday that the U.S. tracked the vessel from the Caribbean Sea as part of an oil ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.

NASA’s Solar Dynamics Observatory captured an X2.8-class solar flare and a pair of m-flares that preceded it in multiple ...

Due to the effects of a weak CME and ongoing high solar wind, unsettled to active conditions are possible this evening, Feb.

(Feature Impact) Rosacea is a chronic skin condition, mainly affecting the face, that causes redness, swelling, pain and ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

Milder than average temperatures expected through Tuesday with cloudy skies and periodic chances of precipitation.

Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.

NOAA warns of likely G1-class geomagnetic storming on Saturday, Feb. 7, through Sunday, Feb. 8, as a coronal mass ejection ...

Greetings stargazers. The current sunspot cycle maximum continues to amaze. Several times during the past year, the Aurora ...

Recent X8-class solar flare activity reveals critical weaknesses in America's power grid, where geomagnetic currents could destroy transformers and trigger prolonged blackouts.