An international team of astronomers reports the discovery of two new "super-Earth" exoplanets orbiting a nearby late-type M dwarf star. The newfound alien worlds, designated LP 890-9 b and LP 890-9 c, are slightly larger ...
Archaeologists at the University of Oxford's School of Archaeology have used satellite imagery to identify and map more than 350 monumental hunting structures known as "kites" across northern Saudi Arabia and southern Iraq—most ...
Archaeology
Sep 6, 2022
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A new analysis of rocks thought to be at least 2.5 billion years old by researchers at the Smithsonian's National Museum of Natural History helps clarify the chemical history of Earth's mantle—the geologic layer beneath ...
Earth Sciences
Jul 24, 2024
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1
Interest in Earth-like planets orbiting within the habitable zone of their host stars has surged, driven by the quest to discover life beyond our solar system. But the habitability of such planets, known as exoplanets, is ...
Astrobiology
Jul 22, 2024
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156
Space storms could soon be forecast with greater accuracy than ever before thanks to a big leap forward in our understanding of exactly when a violent solar eruption may hit Earth.
Astronomy
Jul 19, 2024
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111
The special properties of rare earth magnetic materials are due to the electrons in the 4f shell. Until now, the magnetic properties of 4f electrons were considered almost impossible to control.
Condensed Matter
Jul 19, 2024
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142
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, ...
An international team of researchers led by the University of Bristol has shed light on Earth's earliest ecosystem, showing that within a few hundred million years of planetary formation, life on Earth was already flourishing.
Evolution
Jul 12, 2024
0
198
Up to 60% of near-Earth objects could be dark comets, mysterious asteroids that orbit the sun in our solar system that likely contain or previously contained ice and could have been one route for delivering water to Earth, ...
Planetary Sciences
Jul 10, 2024
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497
A team of physicists with NASA's Jet Propulsion Laboratory at the California Institute of Technology has calculated more precisely how much faster time passes on the moon than on the Earth. The paper describing the math they ...
