What happens to a satellite when the Sun becomes less of a distant light source and more of an active engineering hazard? That question has become harder to ignore as Solar Cycle 25 pushes through its ...

The Sun’s most turbulent phase is no longer a distant forecast. With Solar Cycle 25 in its peak period, scientists expect a greater concentration of eruptions capable of disrupting radio links, ...

As four astronauts travel around the moon on NASA's Artemis II mission, they will venture beyond Earth's protective magnetic field. The crew's spacecraft, Orion, will carry and protect them as they ...

The Sun in ultraviolet, as seen by the NASA Solar Dynamics Observatory, during two periods: one the recent solar minimum in around 2019, and the solar maximum that preceded it, when the Sun was much ...

KENNEDY SPACE CENTER — SpaceX launched three satellites early Wednesday on a million-mile trip to tackle the mysteries of space weather, including how to protect from the sun’s disruptive and ...

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.