This meteorite from the fall at Aguas Zarcas, Costa Rica, in April hit a doghouse. Luckily, the dog - Rocky - was unharmed. Image via Michael Farmer/ASU.
"Mud ball" meteorites - full of clays, organics and water - are unique among space rocks. And a lot of them fell in April on a small town in Costa Rica, much to the delight of scientists. Read more.
Mars is a desert world, with sand dunes similar to those on Earth. But the processes that create them can be quite different from those on our planet, according to a new study from the University of Arizona. Read more.
A new analysis of 200,000 glaciers worldwide - not including the vast Antarctic and Greenland ice sheets - paints a picture of a future planet with a lot less ice and a lot more water. Read more.
Notice that the lighted face of tonight's moon is pointing in the direction of Mars and Mercury. In both the Northern and Southern Hemispheres, June 2019 presents a fine apparition of Mercury in the evening sky. On these early June evenings, Mercury is some 5 times brighter than a 1st-magnitude star and 10 times brighter than Mars. Read more.
Joe Neeley captured the Milky Way over Meteor Crater, Arizona, on June 1, after holding a 2nd annual photography night at the crater last weekend. He wrote: "This is a composite of 2 panoramas, one for the sky and one for the foreground, blended together. The glow in the center is the light from the town of Winslow, Arizona." Read more.
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