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It happened 130 million years, but we had to wait till August 17 to find out. That's when scientists directly detected gravitational waves — ripples in in the fabric of spacetime — as well as light from the spectacular collision of two neutron stars. Read post here .
We've hit a run of clear skies, so it feels like a shopping spree up there. Anything a skywatcher might want to see — sunsets, a last look at Saturn, the Milky Way, the latest comets — is easy pickings.
One of the sky's brightest stars will be blanked out by the waning crescent moon in a dramatic morning occultation this Sunday morning. The event happens in a dark sky before and at dawn for all of the U.S. and Central America. Read post here .
We feel for the people who are suffering through some of the worst wildfires the region has even seen. The TV drone footage of entire blocks of homes ravaged by fire makes us gasp. Satellites are watching too, and show the scale of the disaster. Read post here .
In one of the Winnie the Pooh stories I read to my kids, the lovable bear carries around a bag or sock with a hole in it. One day, he and Piglet get lost in the forest, but thanks to the the hole, the crumbs lead them back to safety. The sun's got a hole, too, and because of it, we may have northern lights tonight. Read post here .
We know them, love them, and now they're back. The Pleiades have been captivating skywatchers for millennia. Read post here .
Time to check in to see how things are coming with that portrait session using a virtual telescope the size of the Earth. Read post here .
Did Mars have black and white smokers, too? Scientists have found evidence for ancient sea-floor hydrothermal deposits on Mars that may provide clues about the origin of life on Earth. Read post here .