Four astronauts are preparing to fly around the Moon on a roughly 10-day mission, and for the entire trip, teams on the ground will be watching the Sun as closely as they watch the spacecraft. NASA ...

NASA's Van Allen Probe A is falling to Earth much sooner than expected, though the spacecraft's reentry poses a low risk to humans.

A century of solar observations from Kodaikanal Solar Observatory and modern satellite data reveal patterns in the Sun’s ...

New images of the sun captured by the Solar Orbiter mission showcase the highest-resolution views of our star’s visible surface ever seen, revealing sunspots and continuously moving charged gas called ...