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Astronomy Jul 20, 2023

New computer simulations follow the formation of galaxies and cosmic large-scale structure with precision

York University and an international team of astrophysicists have made an ambitious attempt to simulate the formation of galaxies and cosmic large-scale structure throughout staggeringly large swaths of space.

Astronomy Jul 19, 2023

Chemical cartography reveals the Milky Way's spiral arms

Keith Hawkins, assistant professor of astronomy at The University of Texas at Austin, has used chemical cartography—also known as chemical mapping—to identify regions of the Milky Way's spiral arms that have previously ...

Evolution Jul 14, 2023

Genes for learning and memory are 650 million years old, study shows

A team of scientists led by researchers from the University of Leicester have discovered that the genes required for learning, memory, aggression and other complex behaviors originated around 650 million years ago.

Astronomy Jul 14, 2023

Stellar cradles and graves observed in farthest galaxy ever

New observations using the Atacama Large Millimeter/submillimeter Array (ALMA) have distinguished the sites of star formation and a possible site of star death from the surrounding nebula in a galaxy 13.2 billion light-years ...

Astronomy Jul 13, 2023

New research puts age of universe at 26.7 billion years, nearly twice as old as previously believed

Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called "impossible early galaxy problem."

Astronomy Jul 7, 2023

Webb detects most distant active supermassive black hole to date

It's a bonanza: The universe is absolutely teeming with black holes. Researchers have long known this, but less massive black holes that existed in the early universe were too dim to detect—that is until the James Webb ...

Astronomy Jul 6, 2023

Webb Telescope detects most distant active supermassive black hole

Researchers have discovered the most distant active supermassive black hole to date with the James Webb Space Telescope (JWST). The galaxy, CEERS 1019, existed about 570 million years after the big bang, and its black hole ...

Astronomy Jul 4, 2023

Astronomers use dead stars to measure gravitational waves produced by ancient black holes

An international team of astronomers has detected a faint signal of gravitational waves reverberating through the universe. By using dead stars as a giant network of gravitational wave detectors, the collaboration—called ...

Astronomy Jul 4, 2023

PIGS find ancient stars in the heart of the Milky Way

An international team of researchers has obtained the largest set of detailed observations yet of the oldest stars in the center of our Galaxy, the Milky Way. The Pristine Inner Galaxy Survey (PIGS) team finds that this group ...

Astronomy Jul 3, 2023

Quasar 'clocks' show the universe was five times slower soon after the Big Bang

Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of Einstein's expanding universe. The research is published in Nature Astronomy.

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