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New Webinar: How to Photograph the Milky Way, with Babak Tafreshi
Join Sky & Telescope Contributing Photographer Babak Tafreshi for a live webinar to learn the secrets of stunning Milky Way…
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Damage, design flaws in Oroville Dam spillway point to lengthy repairs, consultants say
The main spillway at Oroville Dam is riddled with design flaws and so badly damaged that an independent panel of…
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How Astrophysicists Found a Black Hole Where No One Else Could
A new method could help scientists peer inside universe’s densest star clusters to find undiscovered black holes
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The Biggest Tree Canopy on the Planet Stretches Across Nearly Five Acres
In remote India, a visit to Thimmamma Marrimanu offers a spectacular lesson in the vital coexistence of living things
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House leaders postpone vote on their health-care plan – The Washington Post
The news came as Republican leaders and President Trump were struggling to meet demands of conservative lawmakers who said they…