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caves

Stalactites and stalagmites in a cave
Posted inNews

Sooty Layers in Stalagmites Record Human Activity in Caves

by Katherine Kornei 16 February 202118 April 2022

Scientists analyzing cave formations in Turkey find layers of soot and charcoal in stalagmites, revealing that humans—and their fires—occupied caves thousands of years ago.

Researchers stand with a rover robot inside a lava tube cave at Lava Beds National Monument in California
Posted inScience Updates

Planetary Cave Exploration Progresses

by Timothy N. Titus, C. M. Phillips-Lander, P. J. Boston, J. J. Wynne and L. Kerber 1 December 202031 March 2022

Terrestrial caves offer scientific and engineering insights and serve as testing grounds for future forays by humans and robots into caves on other worlds.

Scientists in hardhats excavate a cave.
Posted inNews

Past Seasons Hidden Underground

by C. Fogerty 13 March 202015 October 2021

Belgian paleoclimatologists study a fast-growing stalagmite to glean insight into seasonal climate from centuries past.

Cave formations in Furong Cave near Chongqing, China
Posted inResearch Spotlights

How to Read Atmospheric History Written in Flowstones

by Elizabeth Thompson 10 February 202028 January 2022

Oxygen isotope ratios in cave deposits reflect past climates, but interpreting these data is not straightforward. A new study explores what these ratios really tell us.

Aerial view of an oceanic blue hole
Posted inNews

Sea Caves Hold Clues to Ancient Storms

by L. Supriya 22 November 201910 February 2022

Sediments dug up from sea caves help reconstruct past climate, contributing to better storm predictions.

Kevin Webster takes cave air measurements
Posted inNews

Some Caves Remove Methane from the Atmosphere, New Tests Reveal

by L. G. Shields 5 March 20182 November 2021

Isotopic signatures pinpoint the sinks and surprising sources of methane in widespread karst caves. Researchers suggest that this type of cave globally removes more methane than it produces.

Lee Florea and Tabbatha Cavendish collect soil samples for microbial analysis in an ice cave near the summit of Mount Rainier.
Posted inNews

Ice Caves atop a Volcano Give Taste of Otherworldly Science

by Katherine Kornei 30 November 201726 January 2022

Researchers brave perils and tumbling trash to probe glacial caves on Mount Rainier, improving their understanding of its extraordinary environment and helping to advance space exploration.

Using fluorescent lights to look for charcoal and shells in sediment layers in a cave in Indonesia to use to radiocarbon date tsunami deposits.
Posted inNews

Indonesian Cave Reveals Nearly 5,000 Years of Tsunamis

by Katherine Kornei 7 August 201716 March 2022

Researchers explore a coastal cave containing layers of sand deposited by 11 prehistoric tsunamis and demonstrate that the time period between massive waves is highly variable.

Marius Hills Pit
Posted inNews

Lunar Lava Tubes Could Offer Future Moon Explorers a Safe Haven

by JoAnna Wendel 24 March 201726 January 2022

Scientists find evidence that a 50-meter-deep pit on the Moon's surface could be a skylight opening to an intact lava tube tens of kilometers long.

Posted inScience Updates

Planetary Caves' Role in Astronaut Bases and the Search for Life

by J. J. Wynne, Timothy N. Titus and P. J. Boston 8 March 201631 March 2022

2nd International Planetary Caves Conference; Flagstaff, Arizona, 20–23 October 2015

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