The flare peaked at 9:49 p.m. ET on November 30 and triggered an R3-level radio blackout on the sunlit side of Earth.

New research shows that tiny light patterns and faint radio signals reveal the earliest moments before an aurora suddenly ...

Increasing CO2 levels are triggering changes in the ionosphere that will adversely affect signals, say scientists ...

A radio signal has been detected, pointing to the possible existence of a magnetic field on YZ Ceti b, an exoplanet 12 ...