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Scientists discover a strange signal from 10 million years ago on ocean bed
Scientists have long sought reliable methods to date ancient geological events, but a surprising find in deep-sea samples may ...
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An ancient tree revealed the tale of Earth's magnetic field reversal
A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire. The compelling 2021 study tells the ...
Webb telescope has a new mission: surveillance of a threatening asteroid
The Webb telescope is well-suited to identify asteroid 2024 YR4's size. Webb views a type of light we can't see with the ...
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NASA spotted a big asteroid that may hit Earth — what you should know
It's actually good news that NASA spotted a sizable asteroid with a (small) chance of hitting Earth in 2032. It means our ...
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Rare, green comet to pass by Earth for the first time in 50,000 years
A recently discovered comet will soon make an appearance in the night sky for the first time in 50,000 years. Discovered on ... and long time -- to swing by Earth again, according to The Planetary ...
Astronomers have spied an asteroid that may be heading for Earth: What we know so far
There is far more tiny debris out there than larger chunks—so impacts from objects that could imperil life on Earth's surface ...