Every photon born in the Sun’s nuclear furnace faces a staggering obstacle course before it reaches the visible surface.

For several years, solar scientists have been able to detect a certain kind of seismic wave — called pressure waves or p-waves — traveling across the surface of the sun. However, they also knew ...

Beneath roughly 5,150 kilometers of rock, liquid metal, and extreme pressure, Earth’s solid inner core sits at temperatures ...

The sun's core rotates nearly four times faster than the sun's surface, an international team of astronomers reports. The most likely explanation is that this core rotation is left over from the ...