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

Neutrinos—ghostly particles that rarely interact with normal matter—are the sun's secret messengers. These particles are born deep within the sun, a byproduct of the nuclear fusion process which ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

For the first time, scientists have used satellite data to create a 3D map of the sun's interior magnetic field, the ...