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Century’s longest lunar eclipse July 27
It'll be the longest total lunar eclipse of this century, with Mars - at its brightest - nearby. Red moon, red Mars. It doesn't get any better than this.
July 27, 2018
Subsurface lake discovered on Mars?
ESA's Mars Express spacecraft has discovered the 1st evidence for a subsurface liquid lake on Mars. If it exists, this lake is likely salty and cold, but possibly habitable for some microorganisms.
July 26, 2018
Mars and moon meet at midnight
Best insights - and best charts - anywhere online about Mars' wonderful July 2018 opposition and meet-up with the moon on the dome of Earth's sky.
July 26, 2018
See it! Mars is very bright now
It's the brightest Mars has been in our sky since since 2003. Photos from the EarthSky community here.
July 26, 2018
The case for a habitable moon
Not now, but billions of years ago, microbes might have thrived in water pools on the moon until its surface became dead and dry.
July 25, 2018
The vanishing of the 1st American dogs
"It is fascinating that a huge population of dogs that inhabited all corners of the Americans for thousands of years could have disappeared so rapidly."
July 25, 2018
Tennessee double rainbow
Becky Gillum captured this double rainbow in Cherokee Lake, Tennessee. She said, "With all the storms we've been having, it was only a matter of time until a rainbow appeared."
July 25, 2018
Mars will reach opposition on July 27
Earth passes between Mars and the sun on July 27, 2018 (night of July 26 for the Americas). It's best time to see Mars in some 15 years. Plus ... the moon gets in on the act.
July 25, 2018
Young star caught eating its planet
It had been theorized that some young stars might devour their planets. Now astronomers have the 1st solid evidence - from the Chandra X-ray Observatory - of just such an event caught in the act.
July 24, 2018
Moon near Saturn on July 24
Saturn is the bright planet close to tonight's moon, but a couple of brighter ones - Jupiter and Mars - are also nearby. Learn to identify them all!
July 24, 2018
