What is space junk and why does it pose an increasing risk for Earth? An expert explains
Year after year, humanity is setting new records for the amount of stuff we're sending into the Earth's orbit, spurred mostly ...
A radioactive deep sea mystery may have cosmic origins
An unexpected radioactive discovery beneath the Pacific Ocean seabed may provide researchers with a new global geologic time ...
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‘Space junk’ will become more of a problem for Earthlings, but a single mission to fetch just 1 craft costs $123 million
Any debris created by damaged satellites measuring larger than 1 cm can pose huge threats to other active, low-orbiting ...
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Anomaly in the deep sea
Beryllium-10, a rare radioactive isotope produced by cosmic rays in the atmosphere, provides valuable insights into the Earth's geological history. A research team has discovered an unexpected ...