Ecology May 21, 2024

Long-term ocean sampling in Narragansett Bay reveals plummeting plankton levels: Impact uncertain for local food web

University of Rhode Island (URI) researchers estimate that in Narragansett Bay, the level of tiny plantlike creatures called phytoplankton has dropped by half in the last half century, based on new analysis of a long-term ...

Earth Sciences May 21, 2024

Research reveals that prehistoric seafloor pockmarks off the California coast are maintained by powerful sediment flows

New MBARI research on a field of pockmarks—large, circular depressions on the seafloor—offshore of Central California has revealed that powerful sediment flows, not methane gas eruptions, maintain these prehistoric formations.

Planetary Sciences May 21, 2024

Peering into Pluto's ocean using mathematical models and images from the New Horizons spacecraft

An ocean of liquid water deep beneath the icy surface of Pluto is coming into focus thanks to new calculations by Alex Nguyen, a graduate student in Earth, environmental and planetary sciences in Arts & Sciences at Washington ...

Astronomy May 22, 2024

Astronomers observe jet reorientation in 'Death Star' black holes

Huge black holes are firing powerful beams of particles into space—and then changing their aim to fire at new targets. This discovery, made using NASA's Chandra X-ray Observatory and the U.S. National Science Foundation ...

General Physics May 21, 2024

Neutrons open window to explore space glass

Thanks to human ingenuity and zero gravity, we reap important benefits from science in space. Consider smart phones with built-in navigation systems and cameras.

Archaeology May 17, 2024

Horse remains show Pagan-Christian trade networks supplied horses from overseas for the last horse sacrifices in Europe

Horses crossed the Baltic Sea in ships during the Late Viking Age and were sacrificed for funeral rituals, according to research from Cardiff University.

Earth Sciences May 7, 2024

Computer models show heat waves in north Pacific may be due to China reducing aerosols

A team of oceanographers and planetary scientists at the Ocean University of China, working with a pair of colleagues from the U.S. and one in Germany, has found via computer modeling, that recent heat waves in the north ...

Ecology May 21, 2024

Body lice may be bigger plague spreaders than previously thought

A new laboratory study suggests that human body lice are more efficient at transmitting Yersinia pestis, the bacterium that causes plague, than previously thought, supporting the possibility that they may have contributed ...

General Physics May 20, 2024

NA64 uses the high-energy SPS muon beam to search for dark matter

The NA64 experiment started operations at CERN's SPS North Area in 2016. Its aim is to search for unknown particles from a hypothetical "dark sector." For these searches, NA64 directs an electron beam onto a fixed target. ...

Evolution May 20, 2024

New research suggests diverse headgear in hoofed mammals evolved from common ancestor

From the small ossicones on a giraffe to the gigantic antlers of a male moose—which can grow as wide as a car—the headgear of ruminant hooved mammals is extremely diverse, and new research suggests that despite the physical ...

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