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Green and Red Auroras Light Up St. Patrick’s Day Dawn
A strong G3 geomagetic storm surged across the planet this morning producing a spectacular display of the northern lights. Some…
Will the March 20th Total Solar Eclipse Impact Europe’s Solar Energy Grid?
The first eclipse of 2015 is coming right up on Friday, March 20th, and may provide a unique challenge for…
A Complete Guide to the March 20th Total Solar Eclipse
The first of two eclipse seasons for the year is upon us this month, and kicks off with the only…
A New Sungrazing Comet May Brighten in the Evening Sky, Here’s How to See It
A newly-discovered comet may soon become bright enough to see from a sky near you. Originally dubbed SOHO-2875, it was spotted…
Skywatchers Identify Aircraft as They Pass in Front of the Sun
It’s all about timing and location. You’ve probably seen images we’ve posted on Universe Today of planes crossing in front…
Jupiter and the Full Snow Moon Come Together In a Beautiful Conjunction Tonight
The Full Moon celebrates Jupiter's coming opposition by accompanying the bright planet in a beautiful conjunction tonight. Even last night Jupiter and…
What it Would Look Like if the Sun was Replaced with Other Stars?
How would our horizon look if Earth orbited around another star, such as Alfa-Centauri, Sirius, or Polaris? Roscosmos TV has…
New Mission: DSCOVR Satellite will Monitor the Solar Wind
Solar wind - that is, the stream of charged electrons and protons that are released from the upper atmosphere of…
How Did We Find the Distance to the Sun?
How far is the Sun? It seems as if one could hardly ask a more straightforward question. Yet this very…
Will You Float Away on Jan. 4th? Nope!
When I first heard we were all going to float in the air at 9:47 a.m. PST on January 4th,…