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Astronomy Feb 7, 2024

Astronomers measure the mass of the Milky Way by calculating how hard it is to escape

If you want to determine your mass, it's pretty easy. Just step on a scale and look at the number it gives you. That number tells you the gravitational pull of Earth upon you, so if you feel the number is too high, take comfort ...

Astronomy Feb 7, 2024

Finding the best predictor for a galaxy's metallic content

A team of astronomers has found that the total mass of stars in a galaxy is not a good predictor of the galaxy's abundance of heavier elements, a surprising result according to previous studies. Instead, the gravitational ...

Astronomy Feb 6, 2024

What is dark energy? Inside our accelerating, expanding universe

Some 13.8 billion years ago, the universe began with a rapid expansion we call the Big Bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn't ...

Astronomy Feb 5, 2024

New method spots cosmic threats by extracting 3D direction of plasma ejections from sun's 2D ultraviolet images

A team of scientists has unveiled a novel method for the early estimation of coronal mass ejection (CME) direction in 3D space. The groundbreaking technique, named DIRECD—"Dimming InfeRred Estimate of CME Direction"—will ...

General Physics Feb 5, 2024

Plan for Europe's huge new particle collider takes shape

Europe's CERN laboratory revealed more details Monday about its plans for a huge new particle accelerator that would dwarf the Large Hadron Collider (LHC), ramping up efforts to uncover the underlying secrets of the universe.

Astronomy Feb 2, 2024

Dark matter might help explain how supermassive black holes can merge

Although the exact nature of dark matter continues to elude astronomers, we have gained some understanding of its general physical properties. We know how it clusters around galaxies, how it makes up much of the matter in ...

Astronomy Feb 2, 2024

Team of astronomers discovers galaxy that shouldn't exist

A team of astronomers, led by Arizona State University Assistant Research Scientist Tim Carleton, has discovered a dwarf galaxy that appeared in James Webb Space Telescope imaging that wasn't the primary observation target.

Ecology Feb 1, 2024

Exploring the unseen: Microbial wonders in Earth's saltiest waters

A recent study published in the journal Environmental Science and Ecotechnology explores the largely unknown metabolic capabilities of unclassified microbial species in extreme environments, particularly hypersaline lakes, ...

General Physics Feb 1, 2024

Excavation of colossal caverns for Fermilab's DUNE experiment completed

Excavation workers have finished carving out the future home of the gigantic particle detectors for the international Deep Underground Neutrino Experiment. Located a mile below the surface, the three colossal caverns are ...

Astronomy Jan 31, 2024

NASA puts next-gen exoplanet-imaging technology to the test

A cutting-edge tool to view planets outside our solar system has passed two key tests ahead of its launch as part of the agency's Roman Space Telescope by 2027.

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