sun
How to Safely Enjoy the October 23 Partial Solar Eclipse
2014 - a year rich in eclipses. The Moon dutifully slid into Earth's shadow in April and October gifting us with two…
A Compendium of Universe Today Comet Siding Spring Articles: January 2013 – October 2014
We present here a compendium of Universe Today articles on comet Siding Spring. Altogether 18 Universe Today stories and counting…
Solar ‘Bombs’ And Mini-Tornadoes Spotted By Sun-Watching Spacecraft
My, the Sun is a violent place. I mean, we knew that already, but there's even more evidence for that…
NASA Solar Forecasting Takes A Hit As Sun-Gazing Spacecraft Stops Phoning Home
A NASA spacecraft has been out of radio contact for about two weeks, but the agency is still holding out…
Some Of Earth’s Water Could Be A Million Years Older Than The Solar System
A new model suggests that up to half of the water on Earth may be older than the Sun and…
Multicolor Mars! Speedy NASA Spacecraft Takes Pictures Just Hours After Arrival
Sure is fun to see the Red Planet in different colors! This is what the gases around the Red Planet's…
NASA Explains: The Difference Between CMEs and Solar Flares
This is a question we are often asked: what is the difference between a coronal mass ejection (CME) and a…
Clear Skies Tonight? Go Out and See the Aurora
Talk of aurora is in the air. Our earlier story today by Elizabeth Howell alerted you to the possibility of…
Astrophoto: The Sun as a Work of Art
Here's a solar flare with a little flair added! Astrophotographer Rick Ellis from Toronto, Canada created this "artsy" Sun by…
Aurora Watch! Two Solar Particle Blasts Could Start Smacking Into Earth Friday
Bim, bam, smash! The Sun hurled two clouds of particles in our general direction, putting space weather watchers on alert.…