Earth & Planetary Science Stories
Washington, DC—New planetary formation models from Carnegie’s Alan Boss indicate that there may be an undiscovered population of gas giant planets orbiting around Sun-like stars at...
Washington, DC—New work from Carnegie’s Stephen Elardo and Anat Shahar shows that interactions between iron and nickel under the extreme pressures and temperatures similar to a planetary...
Washington, DC— An international team of astronomers released the largest-ever compilation of exoplanet-detecting observations made using a technique called the radial velocity method. They...
Yingwei Fei, a high-pressure experimentalist at the Geophysical Laboratory, and Peter Driscoll, theoretical geophysicist in the Department of Terrestrial Magnetism, have been awarded a Carnegie...
Even though carbon is one of the most-abundant elements on Earth, it is actually very difficult to determine how much of it exists below the surface in Earth’s interior. Analysis by Carnegie...
Washington, DC—New research from a team including Carnegie’s Steven Shirey, Emma Bullock, and Jianhua Wang explains how the world’s biggest and most-valuable diamonds formed—...
Washington, DC—A group of citizen scientists and professional astronomers, including Carnegie’s Jonathan Gagné, joined forces to discover an unusual hunting ground for exoplanets....
Washington, DC— When a star is young, it is often still surrounded by a primordial rotating disk of gas and dust from which planets can form. Astronomers like to find such disks because...
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Carnegie scientists participate in NASA's Kepler missions, the first mission capable of finding Earth-size planets around other stars. The centuries-old quest for other worlds like our Earth has been rejuvenated by the intense excitement and popular interest surrounding the discovery of...
Superdeep diamonds are tiny time capsules carrying unchanged impurities made eons ago and providing researchers with important clues about Earth’s formation. Diamonds derived from below the continental lithosphere, are most likely from the transition zone (415 miles, or 670km deep...
High-elevation, low relief surfaces are common on continents. These intercontinental plateaus influence river networks, climate, and the migration of plants and animals. How these plateaus form is not clear. Researchers are studying the geodynamic processes responsible for surface uplift in the...
Alan Boss is a theorist and an observational astronomer. His theoretical work focuses on the formation of binary and multiple stars, triggered collapse of the presolar cloud that eventually made the Solar System, mixing and transport processes in protoplanetary disks, and the formation of gas...
Some 40 thousand tons of extraterrestrial material fall on Earth every year. This cosmic debris provides cosmochemist Conel Alexander with information about the formation of the Solar System, our galaxy, and perhaps the origin of life.
Alexander studies meteorites to determine what went on before...
Rocks, fossils, and other natural relics hold clues to ancient environments in the form of different ratios of isotopes—atomic variants of elements with the same number of protons but different numbers of neutrons. Seawater, rain water, oxygen, and ozone, for instance, all have different...
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Work led by Carnegie’s Peng Ni and Anat Shahar uncovers new details about our Solar System’s oldest planetary objects, which broke apart in long-ago collisions to form iron-rich...
A nearby system hosts the first Earth-sized planet discovered by NASA’s Transiting Exoplanets Survey Satellite, as well as a warm sub-Neptune-sized world. This milestone sets the path for...
The ocean on Saturn's moon Enceladus may have a potential energy source to support life, according to research from a team led by Christopher Glein. More
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