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• The project that threatened one of Earth’s clearest skies has been canceled, and astronomers are celebrating because Paranal will no longer face its most feared invisible enemy
• An artificial intelligence application identifies dinosaur footprints with 90% accuracy… and may have found the footprints of the planet’s first birds, dating back 200 million years
• Astronomers discover a solar system 120 light-years away with two “Earths” and an arrangement so strange that it doesn’t fit any known formation model
• The Moon could harbor a gigantic chemical archive of the early Earth
• Lightning has been detected on Mars for the first time, and the Perseverance rover has captured something that seemed impossible
• Typhoid fever seemed to be a thing of the past… but a “super strain” is learning to evade almost all antibiotics
• Geologists discover that the Earth’s core is leaking: it will release 1,000 tons of ancient gold
• It all began with a strange, squid-like mass found in the stomach of a sperm whale in 1955 and 1956, and decades later, scientists discovered that it was something far stranger than anyone could have imagined