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We summarize the week's scientific breakthroughs every Thursday.
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AstronomyMoons that escape their planets could become ‘ploonets’
If giant planets in other star systems lose their moons, the freed objects could become “ploonets,” and current telescopes may be able to find them.
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AnthropologyAncient humans used the moon as a calendar in the sky
Whether the moon was a timekeeper for early humans, as first argued during the Apollo missions, is still up for debate.
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EcosystemsMoonlight shapes how some animals move, grow and even sing
The moon’s light influences lion prey behavior, dung beetle navigation, fish growth, mass migrations and birdsong.
By Erin Wayman -
Planetary ScienceReaders wanted to know about asteroids, lithium batteries and more
Readers had questions and comments about asteroids, lithium batteries, and pyroclastic flows.
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AstronomyAfter all this time, the moon still manages to surprise us
Editor in Chief Nancy Shute discusses 50 years of lunar science.
By Nancy Shute -
AstronomyHow the 2019 eclipse will differ from 2017’s — and what that means for science
This year’s total solar eclipse is visible late in the day from a relatively small slice of South America.
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AstronomyThe earliest known galaxy merger occurred shortly after the Big Bang
Telescopes show two distant blobs of stars and gas swirling around each other in the young universe.
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Planetary ScienceWith Dragonfly, NASA is heading back to Saturn’s moon Titan
NASA’s next robotic mission to explore the solar system is headed to Saturn’s largest moon, Titan.
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AstronomyIn a first, telescopes tracked a lone fast radio burst to a faraway galaxy
First-time observations suggest that the cause of one-time fast radio bursts is different from what triggers repeatedly flashing radio bursts.
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AstronomyA new algorithm finds nearby stars that could host hidden worlds
An algorithm dubbed “Netflix for exoplanets” identified more than 350 stars that, based on their chemistry, might have planets orbiting out of sight.
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AstronomyThe highest-energy photons ever seen hail from the Crab Nebula
An experiment in Tibet spotted photons with over 100 trillion electron volts of energy.
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AstronomyThe cosmic ‘Cow’ may be a strange supernova
New observations suggest the strange bright burst called the ‘Cow’ was a supernova, rather than a shredded star.