The Sun’s corona — its outermost atmosphere — is behaving in ways that are raising alarms among scientists. With NASA’s ...

A sharp, S-shaped kink in the solar wind has just swept past our planet, giving scientists their first clear look at a ...

The scientist suggests that the unusual trajectory and physical characteristics of 3I/ATLAS may indicate it is a technological artefact.

A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women.

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.