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Mar. 28, 2022 —Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, a new study reports. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside ...
Oct. 20, 2020 —In the search to discover the origins of our solar system, an international team including planetary scientists has compared the composition of the sun to the composition of the most ancient ...
Aug. 24, 2022 —New research has found evidence that Earth's early continents resulted from being hit by comets as our Solar System passed into and out of the spiral arms of the Milky Way Galaxy, turning ...
June 16, 2022 —A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as ...
Nov. 17, 2022 —When Mars was a young planet, it was bombarded by icy asteroids that delivered water and organic chemistry necessary for life to emerge. According to the professor behind a new study, this means that ...
Sep. 16, 2020 —It is generally accepted that the inner region of the early solar system was subject to an intense period of meteoric bombardment referred to as the late heavy bombardment. However, researchers have ...
Apr. 21, 2021 —Scientists detect small pockets of carbon dioxide-rich liquid water in a meteorite dating from the early solar ...
Dec. 15, 2021 —Krypton from the Earth's mantle, collected from geologic hot spots in Iceland and the Galapagos Islands, reveals a clearer picture of how our planet formed, according to new research. The ...
July 25, 2022 —New paleomagnetic research suggests a more precise estimate for the age of Earth's solid inner core. The research provides clues about the history and future evolution of Earth and how it became ...
Sep. 14, 2021 —New research has found the Moon may have been subjected to much greater impacts from asteroids and other bodies than previously thought, building on our understanding of the Moon's earliest ...