Search results for trace gas

Earth Sciences 15 hours ago

Uncovering the reasons behind the rapid warming of the North Pole

The North Pole region heats up faster than the rest of the world. Though this is a known fact, climate models underestimate the speed with which the region warms up. Sjoert Barten obtained his PhD on this subject at Wageningen ...

Astronomy May 2, 2024

X-ray satellite XMM-Newton sees 'space clover' in a new light

Astronomers have discovered enormous circular radio features of unknown origin around some galaxies. Now, new observations of one dubbed the Cloverleaf suggest it was created by clashing groups of galaxies.

Environment May 1, 2024

EPA underestimates methane emissions from landfills and urban areas, researchers find

The Environmental Protection Agency (EPA) is underestimating methane emissions from landfills, urban areas and U.S. states, according to a new study led by researchers at the Harvard John A. Paulson School of Engineering ...

Earth Sciences Apr 29, 2024

Underwater mass spectrometry achieves 500-fold sensitivity enhancement for dissolved methane detection

A research team led by Prof. Chen Chilai from Hefei Institutes of Physical Science of Chinese Academy of Sciences, amplified the detection sensitivity of dissolved methane in water by over 500 times, surpassing 500-fold enhancement, ...

Planetary Sciences Apr 25, 2024

Hera asteroid mission's side-trip to Mars

ESA's Hera asteroid mission for planetary defense will make a swingby of Mars next March, borrowing speed to help reach its target Didymos binary asteroid system.

Planetary Sciences Apr 24, 2024

Signs of 'spider' phenomenon on Mars

ESA's Mars Express has snapped the telltale traces of "spiders" scattered across the southern polar region of Mars.

Astronomy Apr 23, 2024

MeerKAT: The South African radio telescope that's transformed our understanding of the cosmos

South Africa's Karoo region is a vast semi-arid area that stretches across four of the country's provinces. It is sparsely populated and renowned for its wide open spaces.

Astrobiology Apr 22, 2024

Why is methane seeping on Mars? NASA scientists have new ideas

The most surprising revelation from NASA's Curiosity Mars Rover—that methane is seeping from the surface of Gale Crater—has scientists scratching their heads.

Astronomy Apr 22, 2024

AI and physics combine to reveal the 3D structure of a flare erupting around a black hole

Scientists believe the environment immediately surrounding a black hole is tumultuous, featuring hot magnetized gas that spirals in a disk at tremendous speeds and temperatures. Astronomical observations show that within ...

Ecology Apr 17, 2024

Climate change is wiping out rare bacteria in a 'greening' Antarctica

Plenty is known about the existential threat of climate change to plants and animals. But by comparison, we know very little about how microorganisms will be affected by climate change.

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