The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

Introduction In recent weeks, astronomers have been captivated by a remarkable series of solar flares emanating from a specific active region on the sun. These solar events, known as Coronal Mass ...

Two new large solar flares over the last 36 hours have increased the chances of northern lights this week, here's the latest ...

The Nov. 9 eruption, an X1.7 flare that peaked around 2:30 a.m. EST (0730 GMT) produced a strong (R3) radio blackout and an ...

Solar flares are sudden bursts of energy from the Sun, releasing vast amounts of radiation into space. The two X-class flares that occurred between 17:15 and 21:45 UTC produced intense X-ray and ...

Sunspot AR3474 detonated with an X1.8 solar flare on November 4, sending an ultraviolet wave silencing South America's ...

The most massive stars in the universe are destined to explode as brilliant supernova before collapsing into black holes. Yet ...

Active galactic nucleus (AGN) black hole 10 billion light-years away, J2245+3743, made the biggest and brightest flare ever ...

NOAA’s aurora forecast map shows that 22 U.S. states could fall under the aurora view line tonight, including: Alaska, ...