solar and heliospheric observatory

Aurora Alert: Powerful Solar Flare This Weekend Could Spark Show Tomorrow

If you sit at a fairly high latitude, you may want to keep an eye out your window Tuesday (April…

9 years ago

Yesterday’s Mammoth Solar Flare Is The Biggest Of 2014 So Far

She's a rainbow! You can see the first moments of a huge flare belching off the sun in the picture…

9 years ago

ISON Appears To Be Fading, But Astronomers Keeping Eyes Peeled

A brief morning update (EST) from Karl Battams, who studies sungrazing comets at the Naval Research Laboratory, confirms social media…

9 years ago

Zombie ISON ‘Behaving Like A Comet’, Stunned Astronomers Say

Talk about the Comeback Kid. After Comet C/2012 S1 ISON┬árounded the sun yesterday afternoon, professional astronomers around the world looked…

9 years ago

Is Comet ISON Dead? Astronomers Say It’s Likely After Icarus Sun-Grazing Stunt

Update, 9:55 pm EST: It's a Thanksgiving miracle: apparently it now looks like ISON has actually survived!! Alright we're calling…

9 years ago