The meteorite may have been blasted off of Earth during an impact, mixed with lunar rocks, and brought back to Earth 4 billion years later by astronauts.
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Waves of Deadly Brine Can Slosh After Submarine Landslides
Brine pools—hypersaline, low-oxygen waters deadly to many forms of ocean life—can experience waves hundreds of meters high when hit by a landslide, potentially overspilling their deep-sea basins.
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Shutdown Hammers Early-Career Scientists
Work and pay stoppages imperil the career progress and livelihoods of researchers trying to get a start in their fields.
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Furloughed Federal Workers Protest Extended Shutdown
Hundreds, including scientists with federal science agencies, demonstrate to pressure for an end to the shutdown.
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Apollo 11 Commemorative Coins Available Today
The coins commemorate the upcoming fiftieth anniversary of the historic Moon landing and the first steps on the Moon.
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A Meteor Struck the Moon During the Total Lunar Eclipse
Telescopes around the world detected an impact event on the lunar surface just before totality on Monday. Amateur and professional astronomers are starting to coordinate data.
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“Eco-friendly” Flame Retardant May Have Eco-poor Breakdown
These flame retardants replaced earlier chemicals known to degrade into environmentally harmful by-products. The newer compounds may do the same thing.
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Podcast: Uncovering the Ozone Hole
In the latest episode of its special series, AGU’s Third Pod from the Sun features scientists whose work found the source of a hole in the sky.
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Mayor Signs Landmark Clean Energy Law for D.C.
The new law, which gained widespread support, including in the environmental and business communities, requires that all electricity sold in the city come from renewable energy sources by 2032.