Extraterrestrial radioactive isotope found in seabed has implications for Earth's origins
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet.
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet.
Astronomy
May 14, 2021
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2213
A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm ...
Astrobiology
Oct 27, 2022
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662
Much of the carbon in space is believed to exist in the form of large molecules called polycyclic aromatic hydrocarbons (PAHs). Since the 1980s, circumstantial evidence has indicated that these molecules are abundant in space, ...
Astronomy
Mar 18, 2021
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Earth. A new study shows other stars could have as many as seven Earth-like planets in the absence of a gas giant like Jupiter.
Astronomy
Jul 31, 2020
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2218
Are we alone in the universe?
Astronomy
Sep 11, 2020
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721
New research from Royal Holloway, has found water and organic matter on the surface of an asteroid sample returned from the inner Solar System. This is the first time that organic materials, which could have provided chemical ...
Space Exploration
Mar 4, 2021
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15806
I've said many times in the past that the Earth is the best planet in the universe. No matter where we go, we'll never find a planet that's a better home to Earth life than Earth. Of course, that's because we, and all other ...
Astronomy
Sep 25, 2019
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347
A research team using the ChemCam instrument onboard NASA's Curiosity rover discovered higher-than-usual amounts of manganese in lakebed rocks within Gale Crater on Mars, which indicates that the sediments were formed in ...
Astrobiology
May 1, 2024
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4682
In the search for life on other planets, the presence of oxygen in a planet's atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios ...
Astrobiology
Apr 13, 2021
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5705
An international team of researchers has found evidence of prebiotic ethanolamine (NH2CH2CH2OH) in a molecular cloud near the center of the Milky Way galaxy. In their paper published in Proceedings of the National Academy ...