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Astronomy 5 hours ago

A triumph of galaxies in three new images from the VLT Survey Telescope

Distant galaxies, interacting galaxies, whose shape has been forged by the mutual gravitational influence, but also galaxies forming groups and clusters, kept together by gravity—they are the protagonists of three new images ...

General Physics 6 hours ago

Advanced experimental setup expands the hunt for hidden dark matter particles

Scientific evidence for dark matter comes from observing how it influences the motion of stars and galaxies. Scientists believe that dark matter may consist of particles. To search for these particles and their billiard ball-like ...

Astronomy 6 hours ago

How NASA's Roman mission will hunt for primordial black holes

Astronomers have discovered black holes ranging from a few times the sun's mass to tens of billions. Now a group of scientists has predicted that NASA's Nancy Grace Roman Space Telescope could find a class of "featherweight" ...

Astronomy May 6, 2024

The universe could be filled with ultralight black holes that can't die

Primordial black holes are hypothetical objects formed during the earliest moments of the universe. According to the models, they formed from micro-fluctuations in matter density and spacetime to become sand grain-sized mountain-massed ...

General Physics May 3, 2024

The BREAD Collaboration is searching for dark photons using a coaxial dish antenna

Approximately 80% of the matter in the universe is predicted to be so-called "dark matter," which does not emit, reflect, or absorb light and thus cannot be directly detected using conventional experimental techniques.

Ecology May 2, 2024

For microscopic organisms, ocean currents act as 'expressway' to deeper depths, study finds

Some of the ocean's tiniest organisms get swept into underwater currents that act as a conduit that shuttles them from the sunny surface to deeper, darker depths where they play a huge role in affecting the ocean's chemistry ...

Quantum Physics May 2, 2024

Twisting and binding matter waves with photons in a cavity

Precisely measuring the energy states of individual atoms has been a historical challenge for physicists due to atomic recoil. When an atom interacts with a photon, the atom "recoils" in the opposite direction, making it ...

General Physics May 1, 2024

CERN gives green light to build new experiment to search for unknown particles

After many years of preparations, CERN has approved a new experiment: the Search for Hidden Particles (SHiP). Physicist Alexey Boyarsky was involved from the start. "We know there is physics that's missing and we aim to find ...

Astronomy May 1, 2024

Euclid telescope: Scientist reports on his quest to understand the nature of dark matter and dark energy

On July 1, 2023, Euclid, a unique European space telescope was launched from Cape Canaveral. The launch was undoubtedly the highlight of my career as an astronomer, but witnessing the result of years of work being put on ...

Astronomy Apr 30, 2024

New observatory in Chile—the highest in the world—aims to reveal origins of planets, galaxies and more

How do planets form? How do galaxies evolve? And ultimately, how did the universe itself begin? A unique astronomical observatory that researchers hope will unravel some of the biggest mysteries out there marks its opening ...

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