The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star — a ...

After a 22-day lull, sunspot AR 4168 unleashed three M-class flares on Aug. 3–4. They may cause brief radio blackouts and auroras from glancing CMEs.

After weeks of relative quiet, the Sun has erupted with a series of powerful solar flares, signaling a return to more active ...