flares

Even older red dwarf stars are pumping out a surprising amount of deadly radiation at their planets

Most of the potentially habitable exoplanets we've discovered orbit small red dwarf stars. Red dwarfs make up about 75% of…

2 years ago

Just How Bad are Superflares to a Planet’s Habitability?

Star's can be full of surprises; some of them nasty. While our own Sun appears pretty placid, science has shown…

2 years ago

Beastly Sunspot Amazes, Heightens Eclipse Excitement

That's one big, black blemish on the Sun today! Rarely have we been witness to such an enormous sunspot. Lifting…

8 years ago

The Sun Fires Off a Third X-Class Flare

Remember yesterday when we mentioned two X-class flares erupting from the Sun within the space of about an hour? We…

8 years ago

Your Guide To When, Where and How To See The Aurora Borealis

As an amateur astronomer, two of the most frequently questions I'm asked are "When is the best time to see…

9 years ago

Active Region Is Still Active!

[/caption] Even though the CME unleashed by active region 1429 initially hit Earth a bit softer than expected yesterday (read…

11 years ago

Crab Nebula Flares

[/caption] The Crab Nebula is one of the most popular targets for astronomers of all stripes. It is readily viewable…

12 years ago