As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...

NASA detects first “magnetic switchback” near Earth: an energetic change in your space shield that reveals new solar risks.

For nearly two centuries, physics textbooks have treated light as magnetically indifferent to the materials it passes through ...

For experimental physicists, the latest measurement of the muon is the best of times. For theorists there's still work to do.