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Men and women collect water at a secured borehole in Moyale, Kenya.
Posted inNews

Scientists Map Africa’s Groundwater Recharge for the First Time

by Munyaradzi Makoni 1 April 202116 February 2022

The continent-wide survey provides an assessment of the resilience of groundwater resources.

Thousands of stars of many colors on a black background
Posted inNews

1.3 Million Pairs of Stars Surround the Sun

by Kimberly M. S. Cartier 31 March 202115 June 2022

Roughly half of Sun-like stars have a stellar sibling, and a surprising fraction of those siblings are identical twins.

Image of the southern part of the Orientale Basin with yellow patches indicating boulders fields
Posted inEditors' Highlights

The Tumbling Boulders of Orientale Basin

by Laurent G. J. Montési 8 February 20213 May 2022

Mapping boulder fields and boulder tracks highlights the seismic hazard still present on the Moon.

Illustration of a lot of debris orbiting Earth
Posted inOpinions

Charting Satellite Courses in a Crowded Thermosphere

by S. Bruinsma, M. Fedrizzi, J. Yue, C. Siemes and S. Lemmens 19 January 20213 November 2021

As the number of satellites in low Earth orbit grows by leaps and bounds, accurate calculations of the effects of atmospheric drag on their trajectories are becoming critically important.

A roadcut in Kentucky reveals layers of Camp Nelson Limestone
Posted inResearch Spotlights

Certain Rock Formations Can Lead to In-Home Radon Risks

by Aaron Sidder 11 December 202030 June 2022

Researchers in Kentucky have merged results from home test kits with the state’s geologic map to produce a map of indoor radon potential based on the geology underlying homes in the state.

Homes on a hillside with fires in the background
Posted inNews

Homes and Other Buildings Abound in Natural Hazard Hot Spots

by Katherine Kornei 10 December 202028 October 2021

Researchers mined maps of natural hazards and land use to show that nearly 60% of structures are built in regions at high risk of earthquakes, wildfires, floods, hurricanes, and/or tornadoes.

Colored map of cratons and framing sedimentary basins
Posted inNews

Cratons Mark the Spot for Mineral Bonanzas

by Bas den Hond 11 September 20209 November 2021

A new map of the thickness of Earth’s lithosphere contains clues to large deposits of key metals.

Globe with debris littering low Earth orbit
Posted inNews

Flickers of Light Help Map the Space Junkyard

by Camilo Garzón 30 July 202026 January 2022

Researchers are identifying space debris by measuring its flickering patterns of reflected light.

Dry, vegetated landscape near the Santa Clara River in California
Posted inScience Updates

Mapping Vegetation Health Around the World

by C. M. Lee, J. B. Fisher and S. J. Hook 8 July 202015 October 2021

A new spaceborne sensor monitors Earth’s surface temperature at a resolution higher than ever before, providing information on ecosystem responses to changes in water availability and climate stressors.

Two graphics showing how P-waves emitted by a virtual source traveled
Posted inEditors' Highlights

Fine-scale Structure Mapped by Body Waves Extracted from Noise

by M. K. Savage 17 June 20203 November 2021

A novel processing scheme was used to extract refracted body waves from ambient seismic noise and investigate the small-scale structure around a fault at Long Beach, California.

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