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Comet discovered to have its own northern lights

This composite is a mosaic comprising four individual NAVCAM images taken from 19 miles (31 kilometers) from the center of comet 67P/Churyumov-Gerasimenko on Nov. 20, 2014. The image resolution is 10 feet (3 meters) per pixel. Credit: ESA/Rosetta/NAVCAM, CC BY-SA IGO 3.0 Data from NASA instruments aboard the ESA (European Space Agency) Rosetta mission have…

Process that might have led to first organic molecules

Ocean bubbles (stock image). Credit: © kichigin19 / stock.adobe.com New research led by the American Museum of Natural History and funded by NASA identifies a process that might have been key in producing the first organic molecules on Earth about 4 billion years ago, before the origin of life. The process, which is similar to…

Do big tadpoles turn into big frogs? It’s complicated

Tadpoles (stock image). Credit: © suwatwongkham / stock.adobe.com If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep. While that might sound like an idea from a work of surreal fiction,…

Comet discovered to have its own northern lights

This composite is a mosaic comprising four individual NAVCAM images taken from 19 miles (31 kilometers) from the center of comet 67P/Churyumov-Gerasimenko on Nov. 20, 2014. The image resolution is 10 feet (3 meters) per pixel. Credit: ESA/Rosetta/NAVCAM, CC BY-SA IGO 3.0 Data from NASA instruments aboard the ESA (European Space Agency) Rosetta mission have…

Hubble captures crisp new portrait of Jupiter’s storms

Hubble's new image of Jupiter and Europa. Credit: NASA, ESA, STScI, A. Simon (Goddard Space Flight Center), M.H. Wong (University of California, Berkeley), and the OPAL team The latest image of Jupiter, taken by NASA's Hubble Space Telescope on Aug. 25, 2020, was captured when the planet was 406 million miles from Earth. Hubble's sharp…

New Hubble data suggests there is an ingredient missing from current...

This Hubble Space Telescope image shows the massive galaxy cluster MACSJ 1206. Embedded within the cluster are the distorted images of distant background galaxies, seen as arcs and smeared features. These distortions are caused by the dark matter in the cluster, whose gravity bends and magnifies the light from faraway galaxies, an effect called gravitational…

Children’s immune response more effective against COVID-19

Mother and child in medical office, concept (stock image). Credit: © famveldman / stock.adobe.com Children and adults exhibit distinct immune system responses to infection by the virus that causes COVID-19, a finding that helps explain why COVID-19 outcomes tend to be much worse in adults, researchers from Yale and Albert Einstein College of Medicine report…

Ancient volcanoes once boosted ocean carbon, but humans are now far...

Erupting volcano (stock image). Credit: © Ingo Bartussek / stock.adobe.com A new study of an ancient period that is considered the closest natural analog to the era of modern human carbon emissions has found that massive volcanism sent great waves of carbon into the oceans over thousands of years -- but that nature did not…

High-fidelity record of Earth’s climate history puts current changes in context

View of Planet Earth (stock image). Credit: © tsuneomp / stock.adobe.com For the first time, climate scientists have compiled a continuous, high-fidelity record of variations in Earth's climate extending 66 million years into the past. The record reveals four distinctive climate states, which the researchers dubbed Hothouse, Warmhouse, Coolhouse, and Icehouse. These major climate states…

Possible marker of life spotted on Venus

Planet Venus (stock image; elements furnished by NASA). Credit: © Igor_Filonenko / stock.adobe.com An international team of astronomers today announced the discovery of a rare molecule -- phosphine -- in the clouds of Venus. On Earth, this gas is only made industrially or by microbes that thrive in oxygen-free environments. Astronomers have speculated for decades…

Ancient volcanoes once boosted ocean carbon, but humans are now far...

Erupting volcano (stock image). Credit: © Ingo Bartussek / stock.adobe.com A new study of an ancient period that is considered the closest natural analog to the era of modern human carbon emissions has found that massive volcanism sent great waves of carbon into the oceans over thousands of years -- but that nature did not…

New Hubble data suggests there is an ingredient missing from current...

This Hubble Space Telescope image shows the massive galaxy cluster MACSJ 1206. Embedded within the cluster are the distorted images of distant background galaxies, seen as arcs and smeared features. These distortions are caused by the dark matter in the cluster, whose gravity bends and magnifies the light from faraway galaxies, an effect called gravitational…

Possible marker of life spotted on Venus

Planet Venus (stock image; elements furnished by NASA). Credit: © Igor_Filonenko / stock.adobe.com An international team of astronomers today announced the discovery of a rare molecule -- phosphine -- in the clouds of Venus. On Earth, this gas is only made industrially or by microbes that thrive in oxygen-free environments. Astronomers have speculated for decades…

Process that might have led to first organic molecules

Ocean bubbles (stock image). Credit: © kichigin19 / stock.adobe.com New research led by the American Museum of Natural History and funded by NASA identifies a process that might have been key in producing the first organic molecules on Earth about 4 billion years ago, before the origin of life. The process, which is similar to…

How coronavirus took hold in North America and in Europe

Global spread of coronavirus, concept illustration (stock image). Credit: © solvod / stock.adobe.com A new study combines evolutionary genomics from coronavirus samples with computer-simulated epidemics and detailed travel records to reconstruct the spread of coronavirus across the world in unprecedented detail. Published in the journal Science, the results suggest an extended period of missed opportunity…

Hubble captures crisp new portrait of Jupiter’s storms

Hubble's new image of Jupiter and Europa. Credit: NASA, ESA, STScI, A. Simon (Goddard Space Flight Center), M.H. Wong (University of California, Berkeley), and the OPAL team The latest image of Jupiter, taken by NASA's Hubble Space Telescope on Aug. 25, 2020, was captured when the planet was 406 million miles from Earth. Hubble's sharp…

High-fidelity record of Earth’s climate history puts current changes in context

View of Planet Earth (stock image). Credit: © tsuneomp / stock.adobe.com For the first time, climate scientists have compiled a continuous, high-fidelity record of variations in Earth's climate extending 66 million years into the past. The record reveals four distinctive climate states, which the researchers dubbed Hothouse, Warmhouse, Coolhouse, and Icehouse. These major climate states…

Comet discovered to have its own northern lights

This composite is a mosaic comprising four individual NAVCAM images taken from 19 miles (31 kilometers) from the center of comet 67P/Churyumov-Gerasimenko on Nov. 20, 2014. The image resolution is 10 feet (3 meters) per pixel. Credit: ESA/Rosetta/NAVCAM, CC BY-SA IGO 3.0 Data from NASA instruments aboard the ESA (European Space Agency) Rosetta mission have…

Do big tadpoles turn into big frogs? It’s complicated

Tadpoles (stock image). Credit: © suwatwongkham / stock.adobe.com If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep. While that might sound like an idea from a work of surreal fiction,…

Possible marker of life spotted on venus

Planet Venus (stock image; elements furnished by NASA). Credit: © Igor_Filonenko / stock.adobe.com An international team of astronomers today announced the discovery of a rare molecule -- phosphine -- in the clouds of Venus. On Earth, this gas is only made industrially or by microbes that thrive in oxygen-free environments. Astronomers have speculated for decades…

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