Nineteen million years ago, during a time known as the early Miocene, massive ice sheets in Antarctica rapidly and repeatedly grew and receded. The Miocene is widely considered a potential analog for Earth's climate in the ...
Earth Sciences
Nov 29, 2023
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115
A new study shows that there is greater local variation in the impact of solar storms on Earth than previously estimated. Researchers show that the effects can vary widely even over distances as small as 100 kilometers. The ...
Planetary Sciences
Nov 27, 2023
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243
A small international team of planetary scientists has found evidence supporting the theory that the near-Earth asteroid Kamo'oalewa is ejecta from the moon. In their paper published in the journal Nature Astronomy, the group ...
Zdenek Sekanina, an astronomer with La Canada Flintridge in the U.S., reports what he describes as evidence of a possible breakup of comet Tsuchinshan prior to swinging around the sun. Sekanina specializes in comet behavior, ...
A team of researchers from Université Clermont Auvergne, working with a colleague from Universität Bayreuth, has found evidence that suggests the Earth's composition changed over time during its early years via collisional ...
A powerful transmitter in remote Alaska sent long wavelength radio signals into space Tuesday with the purpose of bouncing them off an asteroid to learn about its interior.
Planetary Sciences
Dec 30, 2022
0
119
The rocks on Earth are not all the same age. In fact, most are significantly younger than the planet itself. The oldest sections of the oceanic crust are thought to be 200 million years old—a blink of an eye in the planet's ...
Planetary Sciences
Dec 22, 2022
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63
Climate change poses an "existential threat" to life on Earth, prominent scientists warned Tuesday, in an assessment on this year's avalanche of heat records and weather extremes that they said are hitting more ferociously ...
Environment
Oct 28, 2023
1
53
There is a clear statistical correlation between global seismic activity and changes in the intensity of cosmic radiation recorded at the surface of our planet, potentially helping to predict earthquakes. Surprisingly, it ...
Planetary Sciences
Jun 15, 2023
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146
The structure and function of the kidneys is altered by space flight, with galactic radiation causing permanent damage that would jeopardize any mission to Mars, according to a new study led by researchers from UCL.
Space Exploration
Jun 11, 2024
2
89
