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In a study published in

Credit: Credit not required. This is a public domain image. It forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it's known, left behind a crater off the coast of Mexico that spans 93 miles and runs 12 miles deep. Its devastating impact brought the reign of the dinosaurs to an abrupt and calamitous end by triggering their sudden mass extinction, along with the end of almost three-quarters of the plant and animal species living on Earth. The enduring puzzle: Where did the asteroid or comet originate, and how did it come to strike Earth? N...

 E-Mail IMAGE: The newly discovered TOI 451 planetary system features three planets orbiting the same sun. view more  Credit: Illustration courtesy of NASA/Goddard Space Flight Center HANOVER, N.H. - February 12, 2021 - A newly discovered planetary system will provide researchers with the rare chance to study a group of growing planets, according to research co-led by Dartmouth. The new system, named TOI 451, is made up of at least three neighboring planets that orbit the same sun. The planets range in size between that of Earth and Neptune. According to the research team, NASA's H...

 E-Mail IMAGE: Flensburg meteorite with black fusion crust: Parts of the fusion crust were lost during the flight through the atmosphere. The small fragment, weighing 24,5 grams, is about 4.5 billion years... view more  Credit: A. Bischoff / M. Patzek, University of Münster A meteorite that fell in northern Germany in 2019 contains carbonates which are among the oldest in the solar system; it also evidences the earliest presence of liquid water on a minor planet. The high-resolution Ion Probe - a research instrument at the Institute of Earth Sciences at Heidelberg University - prov...

 E-Mail SAN ANTONIO -- Jan. 13, 2021 -- NASA has extended the Juno mission to explore Jupiter through September 2025, expanding the science goals to include the overall Jovian system, made up of the planet and its rings and moons. In addition to continuing to explore our Solar System's largest planet, NASA's planetary orbiter will rendezvous with three of the most intriguing Jovian moons. "Since its first orbit in 2016, Juno has delivered one revelation after another about the inner workings of this massive gas giant," said Southwest Research Institute's Scott Bolton, Juno principal investi...