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Astronomy Jul 9, 2024

We need to consider alternatives to dark matter that better explain cosmological observations

Do constants of nature—the numbers that determine how things behave, like the speed of light—change over time as the universe expands? Does light get a little tired traveling vast cosmic distances? It was believed that ...

Social Sciences Jul 8, 2024

Skip the fancy perks—better staff well-being could be as simple as the view from the office window

Four years after the pandemic forced workers home, companies in New Zealand and elsewhere are summoning staff back to the office.

Plants & Animals Jul 5, 2024

Starlings' migratory behavior found to be inherited, not learned

Young, naïve starlings are looking for their wintering grounds independently of experienced conspecifics. Starlings are highly social birds throughout the year, but this does not mean that they copy the migration route from ...

Astronomy Jul 5, 2024

Webb admires bejeweled ring of the lensed quasar RX J1131-1231

This new picture of the month from the NASA/ESA/CSA James Webb Space Telescope features the gravitational lensing of the quasar known as RX J1131-1231, located roughly six billion light-years from Earth in the constellation ...

Astronomy Jul 5, 2024

Elusive temporary star described in historical documents recreated using new computer model

A mysterious remnant from a rare type of supernova recorded in 1181 has been explained for the first time. Two white dwarf stars collided, creating a temporary "guest star," now labeled supernova (SN) 1181, which was recorded ...

General Physics Jul 4, 2024

Searching for dark matter with the coldest quantum detectors in the world

One of the greatest mysteries of science could be one step closer to being solved. Approximately 80% of the matter in the universe is dark, meaning that it cannot be seen. In fact, dark matter is passing through us constantly—possibly ...

Astronomy Jul 3, 2024

New models suggest Milky Way is not as packed with stars as previously thought

A small team of astronomers from Yunnan University, the University of Utah, New Mexico State University, and the University of St Andrews has created a new model of the Milky Way galaxy based on the results of their census ...

Astronomy Jul 2, 2024

Cosmic simulation reveals how black holes grow and evolve

A team of astrophysicists led by Caltech has managed for the first time to simulate the journey of primordial gas dating from the early universe to the stage at which it becomes swept up in a disk of material fueling a single ...

Astronomy Jul 2, 2024

NASA's Webb captures celestial fireworks around forming star

The cosmos seems to come alive with a crackling explosion of pyrotechnics in this new image from NASA's James Webb Space Telescope. Taken with Webb's MIRI (Mid-Infrared Instrument), this fiery hourglass marks the scene of ...

Astronomy Jul 2, 2024

Infrared glow high in Jupiter's atmosphere may be dark matter particles colliding

A pair of astrophysicists with Princeton University and the SLAC National Accelerator Laboratory found possible evidence of dark matter particles colliding. In their study, published in Physical Review Letters, Carlos Blanco ...

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