The sun is an incomprehensibly gigantic, constantly roiling nuclear furnace—but some days are even busier than others. Based ...

The first “intense” flare peaked at 9:07 p.m. ET on April 23, with the second following seven hours later at 4:13 a.m. ET ...

The northern lights may be visible this weekend after a flurry of activity on the sun, with an X-class solar flare and ...

The findings will help scientists refine theoretical models of magnetic reconnection to better understand how solar storms ...

With the launch of Artemis II planned in a few weeks, Nasa is ready to monitor the sun during the mission in order to protect the astronauts while in space. Artemis II, the NASA lunar test flight that ...

A NASA probe has started its mission to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun, the space agency announced on Monday. The space ...

For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have ...

NASA physicist Slava Turyshev has proposed that a hidden 'fifth force' may exist in the solar system, masked by environmental effects. The theory could explain why cosmic-scale observations deviate ...

Earlier models expected young Sun-like stars to remain X-ray bright, meaning they emit high levels of energetic radiation, ...